01-5352-78 - Magnaflux Spotcheck SKD-S2 Solvent Developer (Case of 12)

Practical Guide: Using SKD-S2 for Weld Inspection

When you are checking critical welds for cracks, porosity, or laps, you need a developer that works as hard as you do. Magnaflux Spotcheck® SKD-S2 is the industry standard "white spray" for dye penetrant testing, trusted by welders and inspectors worldwide. This case of 12 aerosol cans ensures you have plenty of material on hand for large projects or daily shop use. The developer acts as the final step in the penetrant testing process, turning invisible defects into bright red flags that you can't miss.

The magic of SKD-S2 lies in its ability to create a perfect, bright white canvas on your metal. After you have applied your red penetrant and cleaned off the excess, spraying a thin layer of SKD-S2 draws the remaining dye out of any cracks like a blotter. Because the background is stark white, the red dye bleeds out and creates a high-contrast indication. This makes it incredibly easy to spot hairline cracks, crater cracks, or lack of fusion that would otherwise be invisible to the naked eye. The aerosol can is designed to spray evenly, helping you avoid runs or puddles that could mask a defect.

Using SKD-S2 is straightforward but requires good technique for the best results. Shake the can vigorously before use to ensure the white particles are suspended in the solvent. Hold the can about 10 to 12 inches away from the part and spray a thin, even film. You want a layer that is white enough to cover the metal color but thin enough that it doesn't bury the indication. The solvent-based formula dries in seconds, so you don't have to wait around. Once dry, any defects will begin to appear almost immediately. Whether you are inspecting aluminum intake manifolds, stainless steel piping, or structural steel welds, SKD-S2 gives you the professional-grade reliability you need to sign off on your work with confidence.