Main > POLYMERS > Poly(MethylMethAcrylate) > Abbreviation: PMMA > > PMMA Sheets > Co.: USA. A. (Brand/Mfg./Patents) > Sheet Types; TradeMarks & Uses> > General Purpose Sheet (GPA) > F>Insulating Values
The overall coefficient of heat transmission (U factor) of GPA is 1.04 compared to 1.25 for glass. This means that GPA insulates approximately 20 percent better than ordinary glass of the same thickness
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