... , can bear high temperature within the limit of continuous heat load,2. Low thermal conductivity, in the whole range are used with unmatched ... Used safety, hygiene. Excluding asbestos, sulfur, chlorine such poisonous substances.7. Fear water, but after drying also can be used. Physical ... 1.50(1000,3hrs)≤1.50(1000,3hrs) Block Sizes and Dimensional Tolerances: Length(±3mm)Width(±3mm)Thickness(+2mm,—1.5mm ...