Heat Freeze Heat Blocking Paste


Heat Freeze Heat Absorption Paste (formerly Cool Blue) is an all-natural, cellulose-based product that prevents warping and damage by protecting heat-sensitive areas around the welding site. With this heat-resistant paste, you can make weld repairs without the need  to disassemble parts.

Heat Freeze Welding heat absorption paste can be used in any position and applied on a variety of surfaces, including wood, glass, chrome, plastic, vinyl, rubber, metal, and painted-on areas. It can even be used as a jig in jewelry applications and in auto body repair applications to prevent warping. The paste is reusable for life, protects up to 3000 °F, wipes off easily, and will not dry on to the surface you’ve applied it to.

Key Features:

  • Prevent warpage
  • Protect heat sensitive areas
  • Completely reusable
  • Asbestos free

Note:  Before applying it on any surface, mix product, scoop out enough paste, and spread a liberal amount of product on the surface you wish to protect.  After use, tightly replace the lid to maintain proper moisture level. If Heat Freeze becomes dry, add a small amount of water to rehydrate the product.

Product packaging *may read* Cool Blue


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