Industrial Grade Quenching Salt is used at a temperature of 540 Degree C - 600 Degree C for quenching tools in high speed steel or hot work steel from the HN - 970 bath. Quenching Salt can also be used up to 700 Degree C for tempering in the range 540 Degree C - 700 Degree C. Quenching Salt is hygienically processed to ensure safety of usage. Industrial Grade Quenching Salt comes in different specifications to suit specific requirement.