Rock Wool Board is made of select fine basalt as the major materials which is pulled into 4-7µ non-continuous fibers after melted by adopting advanced international four-roller centrifugal cotton-making procedures and adding a certain of adhesives, dust laying oil and water repellent into rock wool fibers. It can be made into products series with different density according to various uses through the technology of sedimentation, solidify, cutting and etc. rock-wool board uses the advanced production technology, according to the strict quality standards and production control process, and thus the service life of the product is long.
Main specification range of Rock Wool Blanket
Length( mm )
Width ( mm)
Thermal Conductivity (25ºC)
Heat Shrinkage Rate (650ºC)
Mass Humidity Absorption Rate
Moisture Absorption ( 24h )
Moisture Absorption (28d )
Moisture Resistance Rate
Noise Absorption Coefficient (NRC)
WanMaiDe estabished in 2001, a leading manufacturer and exporter of Glass Wool, Rock Wool, Rubber Foam, Foam Glass,Extrude Polystyrene/XPS, Phenolic foam board insulation in China. After more than 20 years' development, we totally have 10 producing lines for glass wool insulation,5 producing lines for rock wool insulation and more than 30 producing lines for rubber foam insulation.
We had mad OEM production for WANMAIDE which are popular due to the high quality and competitive price all over the world.