Nu-Calgon 4371-38 Thermo-Trap Heat Sink Putty 12oz Brazing Solder HVAC
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The Nu-Calgon 4371-38 Thermo-Trap Putty is a reusable heat-absorbing compound designed to protect valves, fittings, and sensitive HVAC components during brazing, soldering, or welding applications.
Acting as an advanced heat sink, Thermo-Trap Putty absorbs and blocks direct and conductive heat transfer, preventing damage to nearby components that can occur during high-temperature service work. Unlike traditional wet rags, this professional-grade putty stays in place, delivers consistent cooling protection, and can be reused multiple times.
Ideal for HVAC, refrigeration, plumbing, and mechanical service work, Thermo-Trap helps technicians safely perform installations and repairs while minimizing overheating risks.
Specifications:
Brand: Nu-Calgon
Product Name: Thermo-Trap Putty
Part Number: 4371-38
Container Size: 12 oz
Product Type: Heat Absorbing / Heat Sink Putty
Color: Blue
pH: Neutral (~7)
Reusable: Yes (up to 40 uses)
Application: Brazing, Welding & Soldering Protection
Compatible Surfaces: Copper, Steel & Metal Piping
Container Type: Tub
Country of Origin: USA