Spotcheck® SKD S2, Solvent Developer, 11.6 oz, Aerosol Can ORS NASCO Heavy duty PVC designed to Heavy duty PVC designed to filter far near UV radiation and blue light Transparent curtains providing UV and blue light protection when visibility is necessary Curtains are grommeted across top and in each corner Hemmed with high temperature thread parts placement or reject accept No ghosting or bleed through of removed mark when painted over Will not react with paint systems Makes marks or touches that can be easily removed with water or in a water bath ready to use solvent developer Suspends white developing particles in a fast drying solvent Produces opaque white coating that provides excellent contrasting background for penetrant indications Non halogenated