... reflective and tensile strength. Aluminum foil with flame-retardant and reflective role. Widely used in mechanical packaging, roof insulation, wall and construction industries.Products Features:1 ... ,clean,flame retardant,easy to install.3.With hot reflex,heat insulation,sound insulation,anti-radiation,shockproof,shielding function;4.Moistureproof,sunscreen,waterproof,good ...