Product descriptionDouble sided silicone coating fiberglasscloth reinforced with steel wireDouble sided silicone coating fiberglassclothDouble sided PU coating fiberglassclothGramweight660 +/- 10% g/m2560+/- 10% g/m2460+/- 10% g/m2Thickness0.60 +/-0.01 mm0.42+/-0.01 mm0.41+/-0.01 mmColorsilver brigh