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Blister lidding foil is a relatively common form in the field of pharmaceutical packaging. It is first formed by blistering of transparent plastic hard sheets, and then filling solid drugs such as tablets, pills, granules, and capsules in the grooves, and then coated with The aluminum foil sheets of the drilling compound are heated and bonded together to form an independent airtight package.

Advantages of blister lidding foil:
1. Good barrier property, good moisture-proof, light-shielding, and oxygen-blocking properties, ensuring drug safety.
2. It can provide users with accurate dosage.
3. It is easy to carry and can reduce the pollution of medicines during carrying and taking.

The cover material of the blister lidding foil is generally made of PTP aluminum foil, which is composed of OP protective layer / AL aluminum foil base material / VC adhesive layer, and the aluminum foil layer is made of 8011 aluminum foil.

The blister lidding foil has a highly dense metal crystal structure, which has good barrier and light-shielding properties; the plastic hard sheet should have sufficient barrier properties to oxygen, carbon dioxide and water vapor, high transparency and mechanical strength that is not easy to crack.

PTP Aluminium foil consists of a protecting layer/outside printing layer that can be printed on and an inside aluminum foil/binder layer.
PTP Aluminium Foil has many advantages due to its excellent impermeability to water, air, gases and UV rays. The protecting layer gives added benefit of the product withstanding high temperatures. It has exceptionally high thermal stability properties, a quality which aids the binding process allowing high speed auto-production.