10 advantages of XPS insulation board
10 advantages of XPS insulation board 1. Why does XPS extruded board not absorb water, has low thermal conductivity, and good thermal insulation effect? XPS extruded board is made of polystyrene, various additives and foaming agent, mixed, melted, pressurized and kneaded in the extruder, extruded through the die, the pressure is released, the foaming agent is vaporized to form tiny bubbles , Enca