PU refers to polyurethane foam. It is a type of polymer compound containing repeated urethane chains. It is one of the most important sub-items in the polyurethane category.

China Manufacturer Cheap Price Fireproof Rigid Polyurethane PU Roof Panels for Prefabricated Buildings

50mm/75mm/100mm Thickness Rockwool Insulated Sandwich Panel for Peb House/steel structure

Rock wool sandwich composite panel is a commonly used composite building material. The same as other types of structural insulated panels, it is also made up of two layers of structural board and one insulation core. The steel plates as outer skins offer this composite panel great strength, and the rock wool insulation material provides it with great thermal insulation.

The Wiskind rock wool roof sandwich panel fireproof system, through professional factory automation equipmemt make rock wool and steel composite into a whole, so as to change the scense of the rock wool plate needs before composite, in building heat preservation and heat insulation, sound insulation, fire prevention requirements under the premise of more reach the goal of high quality, efficient, reliable and safe.

Rock wool sandwich composite panel is a commonly used composite building material. Wiskind recommends the high-quality waterproof rock wool to you: The waterproof rate is not less than 98% and the panel surface is more stable. It does not produce corrosive substances. It has good performance of fire prevention.