... 40m 3, Feture: Light,heat insulant 4,Usage: Building Insulation & Pack Name:Antiglare Foil Scrim BubbleStructure:Alu Foil+Woven+Bubble ... Technical Parameters Temperature range-76F ~+212F (ASTM C411)R-value2.0~11.2Fire-proofingClass A/Class 1Emissivity0.03- ... Equipment Application: 1,Building Thermal Insulation Material(1),Roof,Underlay,Under Concrete & floor Insulation; (2),Attic,Crawl Space,Stud ...