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Hydrocal® B-11 | Owens Corning Insulation
Owens Corning

Hydrocal® B-11 is a a reactive gypsum product that is mixed with water to form an inorganic non-combustible adhesive or coating. The inorganic non-combustible adhesive or coating is used for fabricating, bore coating, or to form High Temperature reinforced FOAMGLAS® insulation shapes.

Service Temperature Limits: -450 to 900°F

U.S. Stock Item. Available in standard 50 pound bags.


Hydrocal® is a registered trademark of U.S. Gypsum
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Package of Hydrocal B-11 gypsum cement

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