Name | Alumino silicate wool | ||||||||
Composition | SiO2: 32%-55% | Al2O3: 7%-21% | Fe2O3: 1%-6% | CaO+MgO: 35%-50% | Na2O+K2O: 1%-3% | ||||
Appearance | Greyish white or light yellow | ||||||||
Fiber length | 1.0~3.5mm | ||||||||
Fiber Diameter | 3.0~8.0μ m | ||||||||
Loss on ignition | 4-9% (800℃/h) | ||||||||
water content | <1.5% | ||||||||
Impurity | content(not fiber)<3% | ||||||||
asbestos | Nothing |