Rock wool contained mineral products is an economical lightweight thermal insulation material which is also recognized as one of the best materials for thermal insulation purposes and is made from a mixture of natural rock basalt and dolomite which melts at high temperatures to form a molten matrix which is then passed through an air stream which cools the material and long fibrous strands. These strands are bonded together to form pipe blanket block sheets and non-bonded granulates. Materials that are chemically and biologically inert and free from plant pathogens. Size: 60 X 120 CM. Thickness: 25 mm (1") and 50 mm (2"). Andy Jaya Packing is a trusted distributor by providing quality goods and competitive prices. We accept orders from all over Indonesia by using via expedition. Please visit our website: Www.packinggaskettombo.com Www.jualtiraipvc.com.