Blister Aluminium Pharmaceutical Foil
Blister Aluminium Pharmaceutical Foil In addition to the packaging of pharmaceutical tablets and capsules, the external packaging of a large number of drugs mixed into the injection box
Application of blister material for pharmaceutical packaging
The most widely used is medicinal polyvinyl chloride (PVC) hard film. Because the medicine is very sensitive to moisture and light penetration, plastic hard films are required to have good moisture, light, and odor-resistant barrier properties. The characteristics of ethylene are: high polymer density, high crystallinity, strong gas tightness, excellent moisture resistance, good oil resistance, chemical resistance and solvent resistance, especially for oxygen and water in the air. Steam and carbon dioxide gas have excellent barrier properties. Compared with materials of the same thickness, the barrier performance of polyvinylidene chloride to oxygen is 1500 times that of polyethylene (PE) and 100 times that of polypropylene (PP). 100 times that of polyester (PET). Homopolymers that block water vapor and oxygen. Polyvinylidene chloride has always been a good barrier to gas and odor, and the material's sealing performance, impact strength, tensile strength and durability can meet the special requirements of pharmaceutical packaging. It is the future development direction of pharmaceutical packaging.
Tropical blister packaging (aluminum-plastic-aluminum) is equivalent to adding a cold-pressed aluminum foil shell to the outside of the thermoformed plastic blister and PTP aluminum foil. The blister pack is still vacuum molded, and the size of the blister remains unchanged. The area around the blisters is slightly wider. The cold-formed tropical blister composite film can be heat-sealed with thermoformed blister instead of traditional blister. The opaque and water-impermeable problems in aluminum-plastic packaging are now gradually being accepted by the market.
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