Polyurethane double side sealed rock wool sandwich panel gives full play to the unique properties of rock wool core material, and has remarkable effects in fire prevention, thermal insulation, sound absorption and sound insulation.
When used as a roof sandwich panel, corrugated steel plate is used on the plate surface and flat colored steel plate is used on the lower panel. The core layer is made of polystyrene foam by vacuum technology and high pressure composite.
Leak proof sandwich roof panel, polyurethane rigid foam insulation panel, polyurethane composite panel and PU panels are popular terms for polyurethane sandwich panels.
