RED DYE PENETRANT TESTING - Most convenient for Field use - Vivid red colour requires No ultra violet light - Widely used for weld inspection SKC-S : A volatile petroleum distillate based solvent for removal of surface excess penetrant in a solvent wipe method. Can also be used to remove Flash Point (PMCC) : 7° C Viscosity at 20°C : 1.0 CS Organic contaminants prior to penetrant testing. Specific Gravity 0.72