Heat-hardening of refractory putty HEAT-TECH info 3 weeks ago This video is a Heat-hardening of refractory putty by the Air Blow Heater and the Halogen Point Heater. Please check the following site for more information. Related page: Heat-hardening of refractory putty Heating of the refractory brick Heat curing of special polyurethane adhesive Heat curing of chlorobrene rubber adhesive Heat curing of vinyl acetate adhesive Heat curing of special modified silicone polymer adhesive Heat curing of styrene-butadiene rubber adhesive Shrinkage of heat shrink tube with heat resistance of 200℃