{"id":1163,"date":"2026-04-24T12:51:11","date_gmt":"2026-04-24T12:51:11","guid":{"rendered":"https:\/\/workshop.gfxrider.net\/IRICO\/?page_id=1163"},"modified":"2026-04-26T14:23:27","modified_gmt":"2026-04-26T14:23:27","slug":"liquid-penetrant-testing","status":"publish","type":"page","link":"https:\/\/workshop.gfxrider.net\/IRICO\/liquid-penetrant-testing\/","title":{"rendered":"Liquid Penetrant Testing"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1163\" class=\"elementor elementor-1163\" data-elementor-settings=\"{&quot;ha_cmc_init_switcher&quot;:&quot;no&quot;}\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7fa68d92 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no e-con e-parent\" data-id=\"7fa68d92\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-48e0124a elementor-widget__width-inherit elementor-widget elementor-widget-elementskit-heading\" data-id=\"48e0124a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"elementskit-heading.default\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" ><div class=\"ekit-heading elementskit-section-title-wraper center   ekit_heading_tablet-text_center   ekit_heading_mobile-\"><h2 class=\"ekit-heading--title elementskit-section-title \">Liquid Penetrant Testing<\/h2>\t\t\t\t<div class='ekit-heading__description'>\n\t\t\t\t\t<p>LPT is used to detect casting, forging and welding surface defects such as hairline cracks, surface porosity, leaks in new products, and fatigue cracks on in-service components.<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1d8a2e1b e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no e-con e-parent\" data-id=\"1d8a2e1b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-56f1225d e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no elementor-invisible e-con e-child\" data-id=\"56f1225d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;slideInLeft&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-56936e8a elementor-widget elementor-widget-heading\" data-id=\"56936e8a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why Choose Us<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d2fb052 elementor-widget elementor-widget-heading\" data-id=\"2d2fb052\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Liquid Penetrant Testing<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-094bb7a elementor-widget elementor-widget-heading\" data-id=\"094bb7a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Advanced Surface Defect Detection<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5c0cc855 elementor-widget elementor-widget-text-editor\" data-id=\"5c0cc855\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Dye Penetrant Inspection (DPI), also known as Liquid Penetrant Inspection (LPI) or Penetrant Testing (PT), is a highly effective and cost-efficient non-destructive testing (NDT) method used to detect surface-breaking defects in non-porous materials such as metals, plastics, and ceramics.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de9ce00 elementor-widget elementor-widget-text-editor\" data-id=\"de9ce00\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>DPI works on the principle of <strong data-start=\"815\" data-end=\"835\">capillary action<\/strong>, where a low surface tension liquid penetrant seeps into fine surface discontinuities on a clean and dry material surface. The process involves applying the penetrant through methods like <strong data-start=\"1024\" data-end=\"1058\">spraying, brushing, or dipping<\/strong>, allowing sufficient dwell time for penetration.<\/p><p>While DPI is suitable for both ferrous and non-ferrous materials, <strong data-start=\"1560\" data-end=\"1598\">magnetic particle inspection (MPI)<\/strong> is sometimes preferred for ferrous components when subsurface defect detection is required.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2d7f5e51 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no elementor-invisible e-con e-child\" data-id=\"2d7f5e51\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;slideInRight&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c9c0451 elementor-widget elementor-widget-heading\" data-id=\"c9c0451\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Where It Is Used<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ce3dc0d elementor-widget elementor-widget-text-editor\" data-id=\"ce3dc0d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>This inspection method is ideal for identifying defects in:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d10b209 elementor-position-left elementor-vertical-align-middle elementor-widget elementor-widget-image-box\" data-id=\"d10b209\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img fetchpriority=\"high\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/forging.png\" class=\"elementor-animation-grow attachment-full size-full wp-image-1229\" alt=\"\" srcset=\"https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/forging.png 512w, https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/forging-300x300.png 300w, https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/forging-150x150.png 150w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Castings and Forgings<\/h3><p class=\"elementor-image-box-description\">Ensures structural integrity by detecting surface defects formed during casting and forging processes.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-21c006e elementor-position-left elementor-vertical-align-middle ha-has-bg-overlay elementor-widget elementor-widget-image-box\" data-id=\"21c006e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/structure.png\" class=\"elementor-animation-grow attachment-full size-full wp-image-1230\" alt=\"\" srcset=\"https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/structure.png 512w, https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/structure-300x300.png 300w, https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/structure-150x150.png 150w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Welded Structures<\/h3><p class=\"elementor-image-box-description\">Identifies cracks, porosity, and imperfections in weld joints to maintain strength and safety.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-63c682a2 elementor-position-left elementor-vertical-align-middle elementor-widget elementor-widget-image-box\" data-id=\"63c682a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/machine.png\" class=\"elementor-animation-grow attachment-full size-full wp-image-1231\" alt=\"\" srcset=\"https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/machine.png 512w, https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/machine-300x300.png 300w, https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/machine-150x150.png 150w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Machined Components<\/h3><p class=\"elementor-image-box-description\">Detects fine surface flaws developed during machining, ensuring precision and reliability of components.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e3296eb elementor-widget elementor-widget-text-editor\" data-id=\"e3296eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>It effectively detects issues like <strong data-start=\"865\" data-end=\"937\">hairline cracks, surface porosity, leakage paths, and fatigue cracks<\/strong>, which may not be visible to the naked eye.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div 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M185.2,8.5c1.7-0.7-13.3,4.7-18.5,6.1c-2.1,0.6-6.2,1.6-10,2c-3.9,0.4-8.9,0.4-8.8,0.5\tc0,0.2,5.8,0.8,11.2,0c5.4-0.8,5.2-1.1,7.6-1.6C170.5,14.7,183.5,9.2,185.2,8.5z M199.1,6.9c0.2,0-0.8-0.4-4.8,1.1\tc-4,1.5-6.7,3.5-6.9,3.7c-0.2,0.1,3.5-1.8,6.6-3C197,7.5,199,6.9,199.1,6.9z M283,6c-0.1,0.1-1.9,1.1-4.8,2.5s-6.9,2.8-6.7,2.7\tc0.2,0,3.5-0.6,7.4-2.5C282.8,6.8,283.1,5.9,283,6z M31.3,11.6c0.1-0.2-1.9-0.2-4.5-1.2s-5.4-1.6-7.8-2C15,7.6,7.3,8.5,7.7,8.6\tC8,8.7,15.9,8.3,20.2,9.3c2.2,0.5,2.4,0.5,5.7,1.6S31.2,11.9,31.3,11.6z M73,9.2c0.4-0.1,3.5-1.6,8.4-2.6c4.9-1.1,8.9-0.5,8.9-0.8\tc0-0.3-1-0.9-6.2-0.3S72.6,9.3,73,9.2z M71.6,6.7C71.8,6.8,75,5.4,77.3,5c2.3-0.3,1.9-0.5,1.9-0.6c0-0.1-1.1-0.2-2.7,0.2\tC74.8,5.1,71.4,6.6,71.6,6.7z M93.6,4.4c0.1,0.2,3.5,0.8,5.6,1.8c2.1,1,1.8,0.6,1.9,0.5c0.1-0.1-0.8-0.8-2.4-1.3\tC97.1,4.8,93.5,4.2,93.6,4.4z M65.4,11.1c-0.1,0.3,0.3,0.5,1.9-0.2s2.6-1.3,2.2-1.2s-0.9,0.4-2.5,0.8C65.3,10.9,65.5,10.8,65.4,11.1\tz M34.5,12.4c-0.2,0,2.1,0.8,3.3,0.9c1.2,0.1,2,0.1,2-0.2c0-0.3-0.1-0.5-1.6-0.4C36.6,12.8,34.7,12.4,34.5,12.4z M152.2,21.1\tc-0.1,0.1-2.4-0.3-7.5-0.3c-5,0-13.6-2.4-17.2-3.5c-3.6-1.1,10,3.9,16.5,4.1C150.5,21.6,152.3,21,152.2,21.1z\"\/>\n\t<path class=\"elementor-shape-fill\" d=\"M269.6,18c-0.1-0.1-4.6,0.3-7.2,0c-7.3-0.7-17-3.2-16.6-2.9c0.4,0.3,13.7,3.1,17,3.3\tC267.7,18.8,269.7,18,269.6,18z\"\/>\n\t<path class=\"elementor-shape-fill\" d=\"M227.4,9.8c-0.2-0.1-4.5-1-9.5-1.2c-5-0.2-12.7,0.6-12.3,0.5c0.3-0.1,5.9-1.8,13.3-1.2\tS227.6,9.9,227.4,9.8z\"\/>\n\t<path class=\"elementor-shape-fill\" d=\"M204.5,13.4c-0.1-0.1,2-1,3.2-1.1c1.2-0.1,2,0,2,0.3c0,0.3-0.1,0.5-1.6,0.4\tC206.4,12.9,204.6,13.5,204.5,13.4z\"\/>\n\t<path class=\"elementor-shape-fill\" d=\"M201,10.6c0-0.1-4.4,1.2-6.3,2.2c-1.9,0.9-6.2,3.1-6.1,3.1c0.1,0.1,4.2-1.6,6.3-2.6\tS201,10.7,201,10.6z\"\/>\n\t<path class=\"elementor-shape-fill\" d=\"M154.5,26.7c-0.1-0.1-4.6,0.3-7.2,0c-7.3-0.7-17-3.2-16.6-2.9c0.4,0.3,13.7,3.1,17,3.3\tC152.6,27.5,154.6,26.8,154.5,26.7z\"\/>\n\t<path class=\"elementor-shape-fill\" d=\"M41.9,19.3c0,0,1.2-0.3,2.9-0.1c1.7,0.2,5.8,0.9,8.2,0.7c4.2-0.4,7.4-2.7,7-2.6\tc-0.4,0-4.3,2.2-8.6,1.9c-1.8-0.1-5.1-0.5-6.7-0.4S41.9,19.3,41.9,19.3z\"\/>\n\t<path class=\"elementor-shape-fill\" d=\"M75.5,12.6c0.2,0.1,2-0.8,4.3-1.1c2.3-0.2,2.1-0.3,2.1-0.5c0-0.1-1.8-0.4-3.4,0\tC76.9,11.5,75.3,12.5,75.5,12.6z\"\/>\n\t<path class=\"elementor-shape-fill\" d=\"M15.6,13.2c0-0.1,4.3,0,6.7,0.5c2.4,0.5,5,1.9,5,2c0,0.1-2.7-0.8-5.1-1.4\tC19.9,13.7,15.7,13.3,15.6,13.2z\"\/>\n<\/svg>\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2c218eeb e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no e-con e-child\" data-id=\"2c218eeb\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-65a48b0e elementor-widget elementor-widget-heading\" data-id=\"65a48b0e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Inspection Process<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-679e971a elementor-widget elementor-widget-text-editor\" data-id=\"679e971a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The inspection process follows a systematic step-by-step approach to ensure <br \/>accurate detection of even the smallest surface defects.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-21bafaf0 e-grid e-con-full wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no e-con e-child\" data-id=\"21bafaf0\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2c146612 elementor-invisible elementor-widget elementor-widget-image-box\" data-id=\"2c146612\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Surface Preparation<\/h3><p class=\"elementor-image-box-description\">Cleaning the surface to remove dirt, oil, or contaminants<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58e28572 elementor-invisible elementor-widget elementor-widget-image-box\" data-id=\"58e28572\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Penetrant Application<\/h3><p class=\"elementor-image-box-description\">Applying the penetrant and allowing proper dwell time<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71cc94c5 elementor-invisible elementor-widget elementor-widget-image-box\" data-id=\"71cc94c5\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Excess Removal<\/h3><p class=\"elementor-image-box-description\">Removing extra penetrant from the surface<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6738a742 elementor-invisible elementor-widget elementor-widget-image-box\" data-id=\"6738a742\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Developer Application<\/h3><p class=\"elementor-image-box-description\">Drawing out penetrant from defects to make them visible<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-daa5e63 elementor-invisible elementor-widget elementor-widget-image-box\" data-id=\"daa5e63\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Inspection<\/h3><p class=\"elementor-image-box-description\">Conducted under UV light (fluorescent) or white light (visible dye)<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6f4ddea5 elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no\" data-id=\"6f4ddea5\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-4b93bb68\" data-id=\"4b93bb68\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-33265bca elementor-widget elementor-widget-image\" data-id=\"33265bca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"1200\" src=\"https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/LPTest.jpg\" class=\"attachment-full size-full wp-image-1261\" alt=\"\" srcset=\"https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/LPTest.jpg 700w, https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/LPTest-175x300.jpg 175w, https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/LPTest-597x1024.jpg 597w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-5e8b955\" data-id=\"5e8b955\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-78ff19d3 elementor-widget elementor-widget-image\" data-id=\"78ff19d3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"1200\" src=\"https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/dyetest.jpg\" class=\"attachment-full size-full wp-image-1265\" alt=\"\" srcset=\"https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/dyetest.jpg 700w, https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/dyetest-175x300.jpg 175w, https:\/\/workshop.gfxrider.net\/IRICO\/wp-content\/uploads\/2026\/04\/dyetest-597x1024.jpg 597w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-f200650\" data-id=\"f200650\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2f693029 elementor-widget elementor-widget-heading\" data-id=\"2f693029\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Working Principle<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16978e3a elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"16978e3a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2e575d7f elementor-widget elementor-widget-text-editor\" data-id=\"2e575d7f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The process is based on <strong data-start=\"1039\" data-end=\"1059\">capillary action<\/strong>, where a specially formulated liquid penetrant with low surface tension enters even the smallest surface discontinuities.<\/p><p>The penetrant is applied using methods such as <strong data-start=\"1230\" data-end=\"1264\">spraying, brushing, or dipping<\/strong>, ensuring complete surface coverage and accurate inspection.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f4576c9 elementor-widget elementor-widget-heading\" data-id=\"f4576c9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why Choose This Method<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f3f413 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"1f3f413\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3cdd077 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"3cdd077\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Detects even the finest surface defects<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Works on a wide range of non-porous materials<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Quick, simple, and economical inspection process<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Provides clear and visible defect indications<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-25631df elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no\" data-id=\"25631df\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;shape_divider_bottom&quot;:&quot;opacity-tilt&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"elementor-shape elementor-shape-bottom\" aria-hidden=\"true\" data-negative=\"false\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 2600 131.1\" preserveAspectRatio=\"none\">\n\t<path class=\"elementor-shape-fill\" d=\"M0 0L2600 0 2600 69.1 0 0z\"\/>\n\t<path class=\"elementor-shape-fill\" style=\"opacity:0.5\" d=\"M0 0L2600 0 2600 69.1 0 69.1z\"\/>\n\t<path class=\"elementor-shape-fill\" style=\"opacity:0.25\" d=\"M2600 0L0 0 0 130.1 2600 69.1z\"\/>\n<\/svg>\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6b008800\" data-id=\"6b008800\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t<div class=\"elementor-element elementor-element-917086c e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no e-con e-parent\" data-id=\"917086c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-dfddac2 e-grid e-con-full wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no e-con e-child\" data-id=\"dfddac2\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e7e3b6d elementor-widget elementor-widget-heading\" data-id=\"e7e3b6d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Don\u2019t Let Hidden Defects Risk Your Operations<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-82ecfbe elementor-align-center elementor-widget elementor-widget-button\" data-id=\"82ecfbe\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewBox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Request a Consultation Now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Liquid Penetrant Testing LPT is used to detect casting, forging and welding surface defects such as hairline cracks, surface porosity, leaks in new products, and fatigue cracks on in-service components. Why Choose Us Liquid Penetrant Testing Advanced Surface Defect Detection Dye Penetrant Inspection (DPI), also known as Liquid Penetrant Inspection (LPI) or Penetrant Testing (PT), is a highly effective and cost-efficient non-destructive testing (NDT) method used to detect surface-breaking defects in non-porous materials such as metals, plastics, and ceramics. DPI works on the principle of capillary action, where a low surface tension liquid penetrant seeps into fine surface discontinuities on a clean and dry material surface. The process involves applying the penetrant through methods like spraying, brushing, or dipping, allowing sufficient dwell time for penetration. While DPI is suitable for both ferrous and non-ferrous materials, magnetic particle inspection (MPI) is sometimes preferred for ferrous components when subsurface defect detection is required. Where It Is Used This inspection method is ideal for identifying defects in: Castings and Forgings Ensures structural integrity by detecting surface defects formed during casting and forging processes. Welded Structures Identifies cracks, porosity, and imperfections in weld joints to maintain strength and safety. Machined Components Detects fine surface flaws developed during machining, ensuring precision and reliability of components. It effectively detects issues like hairline cracks, surface porosity, leakage paths, and fatigue cracks, which may not be visible to the naked eye. Inspection Process The inspection process follows a systematic step-by-step approach to ensure accurate detection of even the smallest surface defects. Surface Preparation Cleaning the surface to remove dirt, oil, or contaminants Penetrant Application Applying the penetrant and allowing proper dwell time Excess Removal Removing extra penetrant from the surface Developer Application Drawing out penetrant from defects to make them visible Inspection Conducted under UV light (fluorescent) or white light (visible dye) Working Principle The process is based on capillary action, where a specially formulated liquid penetrant with low surface tension enters even the smallest surface discontinuities. The penetrant is applied using methods such as spraying, brushing, or dipping, ensuring complete surface coverage and accurate inspection. Why Choose This Method Detects even the finest surface defects Works on a wide range of non-porous materials Quick, simple, and economical inspection process Provides clear and visible defect indications Don\u2019t Let Hidden Defects Risk Your Operations Request a Consultation Now<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1163","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/workshop.gfxrider.net\/IRICO\/wp-json\/wp\/v2\/pages\/1163","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/workshop.gfxrider.net\/IRICO\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/workshop.gfxrider.net\/IRICO\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/workshop.gfxrider.net\/IRICO\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/workshop.gfxrider.net\/IRICO\/wp-json\/wp\/v2\/comments?post=1163"}],"version-history":[{"count":61,"href":"https:\/\/workshop.gfxrider.net\/IRICO\/wp-json\/wp\/v2\/pages\/1163\/revisions"}],"predecessor-version":[{"id":1293,"href":"https:\/\/workshop.gfxrider.net\/IRICO\/wp-json\/wp\/v2\/pages\/1163\/revisions\/1293"}],"wp:attachment":[{"href":"https:\/\/workshop.gfxrider.net\/IRICO\/wp-json\/wp\/v2\/media?parent=1163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}