40 micron aluminium foil also is widely used for pharma strip, food packaging, lidding seals, alu tape, etc. The common alloy are 8011, 3003-H24, 1235 aluminum foil, etc. In fact, for 40 mic thick aluminum foil has sufficient toughness, puncture resistance, sealing, shad so on. So it’s very versatile in many aspects.
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