... and environmental damage brought by glass fiber and epispastic materials, but also resist ultraviolet radiation that can penetrate ... iron, concrete, wood and other common heat insulation materials. This new heat insulation materails not only has good ... 2.5mm*10mm, 4mm*10mm, 7mm*20mmTechincal data:Materials StructureAL/Bubble/ALReflectivity96%-97%Water vapor transmission0.013G/M2KPAThermal ...