... ,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,anti-aging ... 3 years solar oven reflective filmSpecificationUltra-high-performance reflective film reflective rate is normally 90% or more, rubbing, anti-corrosion ...