... 4.Thickness:50mm-150mm CharacteristicsEPS sandwich panel 1.Thermal insulation, light weight 2.Color:any color as required.3 ... 2. The sandwich panel has excellent insulating performance: heat insulation, sound insulation, waterproof performance, etc.3. It is easy to ... stel trade,steel structural building products system and the R&Dof innovative building materials.2.Sincerity and responsibility arethe ...