plain aluminum foil description in detail features: Applicable for: producing main materials for freezing devices like all sorts of air conditioner, indoor and outdoor heat exchanger and refrigerated cabinet, etc., automotive air conditioner and automotive water tank. This product has good heat preservation effect, clean and beautiful appearance, and excellent anti-corrosion effect, which can greatly prolong the service life of the pipe, and beautify the pipe as a whole. specifications: alloy:1100,1030B,8011,3102 temper:H22,H24,H26,O thickness:0.09-0.2mm width:100-1240mm inner diameter:75,150,200,300mm we are leading aluminum foil manufacturer in china,our products widely use for air conditioner,cooling equipment,cable,food packing,room decoration and so on.we can also produce other specifications except above.if you need please contact me to say your request in detail