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Metallized film is a new type of composite flexible packaging material, in which the aluminized film is the most widely used one. In addition, gold, silver, copper, etc. can also be plated. Aluminum foil is easy to form pinholes during packaging and use to reduce its barrier properties. Therefore, aluminum foil is often used as a composite material with polymer plastics, paper or other metal sheets. A special process is used to apply a very thin layer of aluminum on the surface of the packaging plastic film or paper (single or double sided). Because the aluminum plating layer is relatively brittle and easily damaged, it is generally covered with a protective plastic film such as polyethylene, polyester, nylon and the like. The thickness of the aluminized layer is about 300 angstroms, which is thinner than aluminum foil.
The substrate (i.e., the carrier film) of the aluminized film is a plastic film and paper. The most commonly used plastic films are polyester (PET), nylon (NY), biaxially oriented polypropylene (BOPP), polyethylene (LDPE), and polyvinyl chloride (PVC). The first three kinds of aluminum-plated films have excellent adhesion and luster, and are excellent aluminum alloy composite materials. Aluminized polyethylene film is popular because of its low price and good decor. Aluminized polypropylene film can also be made into easy-to-open seals for easy opening of pharmaceutical packaging.
Using a thermoplastic film as a bonding layer, aluminum foil and paper can be combined to form a multilayer aluminum-plastic composite paper. This composite paper combines the high barrier property of aluminum foil, the flexibility of plastic film, the folding endurance and impact resistance of paper, and becomes a high-performance packaging material without causing pollution to the contents and human body. It is easy to meet the hygienic safety standards for packaging; at the same time, because the resin can be decomposed when heated to a high temperature, the paper and aluminum foil can be separated, thus greatly improving the material recycling and regeneration, reducing the material waste and environmental pollution.
Aluminum-plastic composite cans are made of aluminum foil, plastic film and kraft paper (cardboard) and can be made into square, cylindrical, rectangular, conical and other forms of packaging cans. This can is generally divided into outer skin, paperboard, inner liner and inner skin. The composite material also has the characteristics of being non-toxic, odorless, and non-contaminating. It can be reused and recycled.
Aluminum foil is mainly used for blister packaging in pharmaceutical packaging. Blister packs are mainly made of polyvinyl chloride (PVC) sheets and 0.02 mm thick aluminum foil. Blister packaging has become the most important packaging method for western medicine tablets and capsules. China's traditional Chinese medicine tablets, powders, capsules, pills and other packaging are gradually changing from paper bags, simple plastic bags and glass bottles to aluminum-plastic blister packaging. Blister packs have the advantages of moisture resistance, portability, safety and health, etc. With the development of drug release technology, the market will be even broader.
Aluminized film is a new type of composite packaging material that is both successful and economical. In the past 10 years, it has been widely used in Europe, America, and other countries, and has replaced aluminum foil composite materials in many product packaging (for example, in the packaging of cigarettes, aluminum-plated paper is gradually replacing aluminum foil). Aluminized films are mainly used for vacuum packaging of foods such as snacks, snacks, meats, and agricultural products, as well as packaging and trademark materials for cigarettes, pharmaceuticals, alcohol, cosmetics, and the like.
The substrate (i.e., the carrier film) of the aluminized film is a plastic film and paper. The most commonly used plastic films are polyester (PET), nylon (NY), biaxially oriented polypropylene (BOPP), polyethylene (LDPE), and polyvinyl chloride (PVC). The first three kinds of aluminum-plated films have excellent adhesion and luster, and are excellent aluminum alloy composite materials. Aluminized polyethylene film is popular because of its low price and good decor. Aluminized polypropylene film can also be made into easy-to-open seals for easy opening of pharmaceutical packaging.
Using a thermoplastic film as a bonding layer, aluminum foil and paper can be combined to form a multilayer aluminum-plastic composite paper. This composite paper combines the high barrier property of aluminum foil, the flexibility of plastic film, the folding endurance and impact resistance of paper, and becomes a high-performance packaging material without causing pollution to the contents and human body. It is easy to meet the hygienic safety standards for packaging; at the same time, because the resin can be decomposed when heated to a high temperature, the paper and aluminum foil can be separated, thus greatly improving the material recycling and regeneration, reducing the material waste and environmental pollution.
Aluminum-plastic composite cans are made of aluminum foil, plastic film and kraft paper (cardboard) and can be made into square, cylindrical, rectangular, conical and other forms of packaging cans. This can is generally divided into outer skin, paperboard, inner liner and inner skin. The composite material also has the characteristics of being non-toxic, odorless, and non-contaminating. It can be reused and recycled.
Aluminum foil is mainly used for blister packaging in pharmaceutical packaging. Blister packs are mainly made of polyvinyl chloride (PVC) sheets and 0.02 mm thick aluminum foil. Blister packaging has become the most important packaging method for western medicine tablets and capsules. China's traditional Chinese medicine tablets, powders, capsules, pills and other packaging are gradually changing from paper bags, simple plastic bags and glass bottles to aluminum-plastic blister packaging. Blister packs have the advantages of moisture resistance, portability, safety and health, etc. With the development of drug release technology, the market will be even broader.
Aluminized film is a new type of composite packaging material that is both successful and economical. In the past 10 years, it has been widely used in Europe, America, and other countries, and has replaced aluminum foil composite materials in many product packaging (for example, in the packaging of cigarettes, aluminum-plated paper is gradually replacing aluminum foil). Aluminized films are mainly used for vacuum packaging of foods such as snacks, snacks, meats, and agricultural products, as well as packaging and trademark materials for cigarettes, pharmaceuticals, alcohol, cosmetics, and the like.