Rock wool board is sed in the heat preservation, heat insulation, and cold insulation and noise adsorption of all kinds of industry equipments, such as construction, store pot, distill tower, boiler, flue, heat exchanger, windy machines. Main property: light texture, small thermal conductivity, good sound absorption, incombustibility and chemical stability. Product specification: Capability: 50-200kgm3 Thickness: 30-100mm Length: 1000mm,1200mm Width: 20-630mm