... Sandwich Panel with Pattern: 1.Fireproof 2.Heat Insulating 3.Light Weight 4.ISO9001:2008 Xiangxin ... fastness, etc.2. The sandwich panel has excellent insulating performance: heat insulation, sound insulation, waterproof performance, etc.3. ... density8-20kg/m3Conventional colorOcean blue, tephrosiousCharacterLight in weight, heat insulation, water resistant, green and environmentalUsevarious roofs and ...