Javac WeldCool Heat Absorption Putty (PLHB1)

Don't let a stray oxy-torch flame cost you hundreds of dollars in ruined components. The Javac WeldCool Heat Absorption Putty is an essential, economical safeguard for every brazing job. This highly conductive, non-toxic compound molds directly around sensitive parts, absorbing and dissipating intense heat before it can melt internal seals, warp delicate brass, or scorch surrounding composite panels.

Key Features & Trade Benefits

• Extreme Heat Blocking: Drastically reduces heat transfer by up to an incredible 1650ºC with just a 12.7mm layer of putty.
• Universal Protection: Safely blocks heat transfer on all types of surfaces and metals, including sensitive valves, pipe joints, rubber, plastics, and painted composite panels.
• 100% Reusable: Unlike one-time-use heat blocking sprays, this putty can be cooled, stored, and re-hydrated with a few drops of water for endless use on future jobs.
• Non-Toxic Formula: Safe to handle bare-handed. Leaves no permanent mess—simply wipe away any minor leftover residue with a damp cloth.

Tradie Pro Tip for Brazing:

Thermal Expansion (TX) valves and heat pump reversing valves have delicate internal nylon/Teflon seals that melt easily under the heat of a brazing torch. Wrapping these components tightly with Javac WeldCool Putty before you braze the stubs ensures the valve body stays cool to the touch, saving you from a costly callback and a ruined system.

How to Use

1. Check the putty's consistency (add a small amount of water if it feels too dry).
2. Apply and mold as much putty as possible directly between the brazing joint and the sensitive component you want to protect.
3. Complete your brazing work.
4. Once the pipe has cooled, peel the putty off, mold it back into a ball, and store it in the tub for your next job.
5. Wipe away any leftover residue on the pipe with a rag.

Specifications

Frequently Asked Questions (FAQ)