Advantages of carbon dioxide foam extrusion board production line
The traditional extrusion board production line is a kind of foaming material made of polystyrene by high temperature blending using Freon as foaming agent. Because of its excellent thermal insulation, high compressive resistance, low water absorption, lightweight and other characteristics, it is widely used in building external wall insulation, cold storage, water conservancy engineering,...
0 Commentarios 0 Acciones 2288 Views 0 Vista previa