Precision Defect Detection for Flawless Metalwork

The VMD 138 Red Crack Penetrant is a critical component in non-destructive testing (NDT), designed to expose hidden cracks, porosity, pits, and weld defects invisible to the naked eye. When used with VMD 137 Cleaner and VMD 139 Developer, it forms a highly sensitive inspection system trusted by weld inspectors, metallurgists, and quality control teams across automotive, aerospace, construction, and manufacturing industries.

Why Choose VMD 138 Penetrant?

✅ Deep Penetration – Seeps into micro-cracks & defects in 15-20 minutes
✅ High-Visibility Red Dye – Ensures clear defect marking for easy identification
✅ Non-Destructive Formula – Safe for all metals (steel, aluminum, cast iron, etc.)
✅ Industrial-Grade Reliability – Used in ISO-compliant quality control processes

How It Works (3-Step Process)

1️⃣ Clean with VMD 137 (removes grease/dirt)
2️⃣ Apply VMD 138 Penetrant – Wait 15-20 mins for deep penetration
3️⃣ Spray VMD 139 Developer – Defects appear as bright red marks

Technical Specifications

• Type: Solvent-based red penetrant

• Drying Time: 15-20 minutes (optimal penetration)

• Compatibility: Works with VMD 137 Cleaner & VMD 139 Developer

• Applications: Weld inspection, die-cast defect detection, aerospace QC

Industries Served

• Welding & Fabrication

• Automotive & Aerospace

• Metal Casting & Foundries

• Industrial Maintenance