Purchase Qty. Reference FOB Price
500-4,999 Square Meters US$10.00
5,000+ Square Meters US$5.00
Product Description
sandwich insulation board Rock wool is made from basalt as an important material, which is melted at high temperature and then made into man-made inorganic fibres by high-speed centrifugal equipment, together with special binder and dust-proof oil, and then cured by heating to make various ...