Extruded Polystyrene board is a new composite product which is made of Polystyrene foam(Level B1 of inflaming retarding) and with embossing aluminum foil outside.
1.Compressive strength: 250Kpa
2.Dimention Stability: 2%
3.Recycling Rate: 60% to 80
4.Heat expansion modulus: 28.7E-6