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 approved by the cotton machine collection, pendulum method technology, combined with three dimensional method cotton-spreading after curing, cutting, forming different specifications and usages of rock wool products.

High density rock wool board is more suitable for external wall insulation.