JAVAC WeldCool - Heat Absorption PuttyJAVAC WeldCool Heat Absorption Putty JAVPLHB1 This JAVAC JAVPLHB1, Heat Absorption Putty is a quality economical solution for direct heat transfer off of all surfaces. Features: Non toxic, heat absorbing compound Reduces heat transfer up to 1650 C in 12. 7mm Direct and conductive heat transfer on all types of surfaces and metals, including: joints, valves, fittings, composite panels, rubber & plastics Use for intended purpose only. NOT to be ingested