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.
Rockwool sandwich panel and its manufacturing process is one the most advanced inventions, which in the factory automation equipment, rock wool and steel into a whole, thus changing the way of the rock wool plate before the compound required site , under the premise that meet the requirements of the building thermal insulation, sound insulatio1