The aluminum foil which is softened after being fully annealed after rolling is soft in material and has excellent sealing property and barrier property. In modern social packaging, almost all products requiring strict opacity and high barrier are aluminum foil composite materials package.
For example, the rectangular box packaging of the milk we drink every day, this is a sterile package made of aluminum foil composite material; for example, a cigarette box, in addition to the shiny outer casing is an aluminum foil composite material, there is also an aluminum foil paper for retaining The aroma of tobacco; such as chicken, sucking ice and other food packaging, is also a soft package made of aluminum foil composite material......
Some aluminum foil packaging that is common in our lives
1. Wine packaging. Many people know about wine, but many people don't know which part of the bottle is aluminum foil. Well, yes, the aluminum foil on the bottle is the wrinkled thin wine seal that wraps around the neck and mouth of the bottle. Due to the good ductility, tensile properties and easy printing characteristics of aluminum foil, in recent years, with the requirements of beer hygiene standards, aluminum foil wine seals have been widely used in bottlenecks and bottle seal packaging of beer, fruit wine and high-grade soy sauce.
2, medicine foil. This is very common. We have seen the plastic pellet of the pill. If you want to take the pill out, you have to tear the pill away. This is aluminum foil.
In general, pharmaceutical packaging aluminum foil mainly includes water-based, easy-opening caps for injections and medicinal PTP aluminum foil (sealing material sealed on plastic rigid sheets), which is non-toxic, corrosion-resistant, impervious, heat-resistant, moisture-proof, Light blocking, high temperature sterilization and other advantages. Moreover, PTP aluminum foil is moisture-proof, portable, safe and hygienic, and is widely used in the international pharmaceutical industry.
3, household aluminum foil. It can be regarded as a must-have package for home travel. It can be used to pack food in the microwave at home, and it can also be used for camping and barbecue. Since the aluminum foil can be directly placed on the fire for steaming, the food can be uniformly heated inside and outside without being charred into carbon, and the original flavor and beautiful luster of the food can be maintained. Suitable for cooking, freezing, wrapping, baking, etc.