1 result for “Owens-Corning Fiberglas”
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Patent · January 2, 1940 · page 3
Composition for Molding (US Patent 2,185,354, 1940)
In the document: …application of heat excepting as may be desired to accelerate flow or control constant conditions of operation. It may then be hardened in ovens, by subjecting it to a gradual increase in heat up to 500…