Manufacturers direct flame retardant rock wool board, insulation materials

About Product:Rock wool chief Hawaiian. After a volcanic prefecture for the first time when the Hawaiian islands, The island's residents found on the ground after a wisp of a wisp of melting quality of a material soft rock, this is the first of human cognition rock cotton fiber, rock wool production process, Rock wool products adopt high-quality basalt, dolomite, etc. As main raw materials, After more than 1450 ℃ high temperature melt adopts international advanced four axis high -speed centrifugal centrifuge fiber, at the same time into a certain amount of binder, dust, oil, Hate water after the collection of cotton machine collection, through the pendulum method process, combined with three dimensional method cotton - spreading after curing, cutting,