... car Engine department - off heat, cover sound, heat Ministries, oil filtering equipment - Filter, oil Other parts shipped - heat, dust, filtration, oilUsed ... .3-1985Average fiber dia.µm5.5GB/T 5480.4-1985Water content%≤1GB/T 3007-1982Grade of combustibility Non-combustible Grade AGB ... 1.03 product reverberation method 24kg/m32000HZGBJ 47-83Slag inclusion content%≤0.3 White Wool Felt Strip,hot!!!