Views: 1 Author: Site Editor Publish Time: 2021-10-08 Origin: Site
Blister packing machine substrate material
Blister packing substrates for tablets and capsules are often coated with aluminum foil.
Aluminum foil has a highly dense metal crystal structure, good barrier and shading, so it can effectively protect the packaging, and is widely used in drug bubble packaging.
Aluminum foil is the sealing material on the medicinal plastic polyvinyl chloride (PVC) hard sheet, so it is also known as the capping material. Aluminum foil is made of 99 - grade electrolytic aluminum after calendering. It is non-toxic and tasteless, with excellent electrical conductivity and shading, with high moisture resistance, gas resistance and taste.
Aluminum foil also has good printing suitability, both sides can print word patterns. The thickness of aluminum foil material for printing is usually between 0.021 and 0.027mm, which is composed of aluminum foil layer, printing ink layer, protective layer and adhesive layer.
PTP aluminum foil according to the way of use, there are touchable broken aluminum foil, peeling aluminum foil and peeling a touch broken aluminum foil; From the material points are hard aluminum foil, soft aluminum foil, composite aluminum foil; From the function of anti-counterfeiting aluminum foil, children's protection aluminum foil, children's safety and elderly convenience aluminum foil, special protection aluminum foil and so on. Touchable aluminum foil is the most widely used covering aluminum foil.
The surface of the substrate should be clean and shiny, good printing suitability, can be firmly coated with heat sealing coating, to ensure that after the melting of the heat sealing coating, the substrate and bubble cover can be closely combined in a.