COOL BLUE Heat Sink Paste
Uniweld’s Cool Blue Heat Sink Paste (Part# 91861) protects the rubber and plastic seals in ball valves, reversing valves and heat sensitive materials. To prevent overheating, a heat transfer cool indicator has been added. As the paste absorbs heat, it change to a dark blue. Safe to use, non-toxic, harmless to skin and odorless. Easy to clean: wipe with cloth or wash with water.