We are offering pe air bubble film. Oll size (w x l) 1.2m x 40m bubble size 4mm x 10 mm total thickness (mm) 8 mm reflection ratio 97% thermal resistance emissivity 0.03-0.04 temperature range -122 °f to 230 °f(-50 °c ~ 110 °c) minimum order quantity 5000 mtrs (india) container load (export) application roof insulation rafter insulation hvac insulation home insulation (attics and floor) pre engineered building underroof insulation