玻璃棉卷毡和板材性能指标项目Item单位Unit产品指标Index标准Standard密度DensityKg/m³10—80GB/T5480.3纤维平均直径***eragefiberdiaµm5—8GB/T5480.4含水率Watercontert%≤1GB/T16400-2003燃烧性能级别Gradeofcombustibility不燃Ａ级Non-combustibleGradeAGB8624-1997热荷重收缩温度Reshrinkingtemp℃250——400GB/T11835-2007导热系数Thermalconductibilityw/m·k0.034——0.06GB/T10294憎水率Hydrophobicity%≥98GB/T10299吸湿性Moisturerate%≤5GB/T5480.7吸声系数Soundabsorptioncoefficient1.03产品混响定法1.03productreverberationmethod24Kg/m³2000HZGBJ47-83渣球含量Slaginclusioncontent%≤0.3GB/T5480.5)