... friction resistance,corrosion resistance, ageing resistance, solar cooker reflective film 1.reflective rate is over 95% 2.rubbing,anti- ... corrosion,anti-aging 3.High intensity solar cooker reflective film reflective rate is over 90% rubbing,anti-corrosion, ... over 3 years solar oven reflective filmSpecificationUltra-high-performance reflective film reflective rate is normally 90% or more, rubbing, ...