Rock wool board is made of select fine basalt as the major materials which is pilled into 4-7 micron non-continuous fibers after melting by adopting advanced international four roller certrifugal cott ...

Rock wool felt is a kind of soft and roll product made of rock wool felt wrapped by wire netting, stainless netting or glass wire, mainly used for heat preservation of large-caliber pipeline, storage ...

Rock wool shell of pipe is made of nutural basalt as the major materials which are made into man-made inorganic fibers by fast centrifugal equipment after high-temperature melted, and at the same time ...