Chemical stability XPS Sandwich wall panel 1.TUV&CE certification 2.Fireproof&waterproof &Heat insulation Chemical stability EPS Sandwich wall panel 1 Application :UBS Sandwich wall panel EPSapply to a villa ,an apartment or a cottage within 3 storeys as the load-bearing wall .floor ,roof ,ceiling;while apply to a mansion as partition wall ,roof ,ceiling ,interior &exterior decoration panel , ...