What's the difference between a polyurethane sandwich panel and a foam sandwich panel?
Foam sandwich board, beautiful shape, bright color, good overall effect, it sets the bearing, thermal insulation, waterproof in one, and no two decoration, is a widely used, especially in the temporary facilities for construction sites such as office, warehouse, wall and so on, but also the modern construction site civilization construction.
The production of polyurethane sandwich panel requires advanced sandwich panel continuous production line. The process is made of internal and external zinc plating (aluminized zinc), colored steel plate cold bending forming, and middle coating polyurethane rigid foam.
The common point is that the sandwich panels are all made of hard protective coatings, and the difference is that the materials in the center are different.
