KO-19 hi-temp remover used to remove excess penetrant from the surface of a part at elevated temperatures; up to 3500F (176.70C). KO-19 is the remover step of a three part system used to remove excess penetrant from part surfaces (KO-17 hi-temp penetrant and D-350 hi-temp developer) are the other materials of the hi-temp system.KO-19 complies with low sulfur and low halogen requirements.