Rock wool sandwich panels is one kind of sandwich panels,which is combined by rock wool as core material and two steel sheets on up and down side.Compare to other kind of sandwich panels,the most outstanding features of rock wool insulated panels is fireproof level,which is A1 level.In order to meet customers' requirements,we have different kinds o1
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Polyurethane(PU)sandwiched panel is composed of 2 layers of colored steel sheets and injected hard forms of polyurethane between 2 layers which feature fireproof materials.