aluminum glass tape:air duct board tape,aluminum foil tape,fireproof material Detailed Product Descriptionaluminum foil coated kraft paper 1.aluminum foil:18micron, 22mircon,30mircon, 70mircon and so on3.Width:48mm,100mmm and othersMultifunction:For butter,chewing gum, chocolate,soup and so on.Lead time:According to the quantity,normal is 30days.