Thin aluminum strip is an aluminum alloy with an aluminum content of 99.5% or more. Because of it's high aluminum content, it is also referred to as pure aluminum tape in the industry. Here are other kinds of aluminum strips for sale. Haomei, as a big manufacturer of aluminum strip, can offer you soft aluminum strip for face mask. The specification of our aluminum strip for face mask: 1. Aluminum alloy: 1060 and 3003. 2. O Temper 3. Mill finish. 4. Thickness: 0.4*0.5 mm 5. Width: 90-100 mm.