Product details : Test standard National standard DQ glass wool blanket Textile fiber mean diameter GB/T5480 (in the way of fiber microscope ) ≤8.0UM 7um Thermal conductivity GB/T10294(average test temperature is 25°C) ≤0.052W/m.k 0.043W/m.k slag globule content GB/T5480 ≤0.3% 0.02 Hot load capacity contraction density GB/T11835 ≥250 400 rate of water content GB/T3007 ≤1.0% 0.7% Hydrophobic rates GB/T10299 98% 98% Corrosion resistanceASTM C665 No chemical reaction No chemical reaction Mildew resistance ASTM C665 No mildew No mildew Fireproof property GB5464 A class noncombustible A class noncombustible