Semlos Heat Blocking Putty Jar (1), The Moldable & Reusable Solder Insulation Clay, Barrier for Installing Sight Glasses, TXV Valves, Directional Valves et al（12 oz）

(Safe and Reliable) Our insulating clay is made from a natural, non-toxic hydrogel-ceramic heat-resistant composite material containing silicon, aluminum, and sodium. It is free of contaminating formulas and harmful additives, odorless and safe for you and your family, you can use it with confidence. (Superior Thermal Insulation) Thermal clay can withstand temperatures up to 1000 degrees Celsius, preventing surfaces, valves, and heat-sensitive components from absorbing too much heat and being damaged during soldering, brazing, or fusion welding. (Shapeable & Reusable) Since isolated Heat Mud has no adhesive properties, extra force is needed to ensure that it is in full contact with the heat-conducting area, as it can be shaped into any shape and can be reused many times for up to one year. (Multi-Purpose) Insulating Putty can be widely used for welding work on sight glass installations, TXV valves, directional valves, liquid line filter driers, ball valves and fixtures, etc. to protect the integrity of the product. (Easy to handle) Heat Barrier Putty is freely plastic, drip-free, mess-free, and easy to remove after use for frequent reuse.