... fiber 1.High temperature,fireproof 2.800-1,000centigrade, 3.1790centigrade refractoriness. Aluminum silicate fiber material excellent refractory,high temperature, good heat insulation performanceceramic fiber ... ParameterColourwhite gray Material Aluminum Silicate Glass Fiber Aluminum Silicate Glass Fiber Thickness1.8mm-2mm 1.8mm-2mm Density(kg/m3) 500-525 500 ...