Classification and use of composite packaging bags
Dongguan Beite is a large-scale company specializing in the production of food grade composite packaging. It is a professional manufacturer of composite packaging bags. It uses new equipment to produce packaging bags and roll films, providing comprehensive, environmental protection and safety packaging services for the Chinese market
With the continuous progress of various industries, many packaging bags are made of composite materials. What are the common materials in composite packaging bags? What are the characteristics and uses of these composite materials? Dongguan Beite packaging materials Co., Ltd., which specializes in customized and wholesale sales of composite bags, is summarized as follows:
In fact, many kinds of materials are added together to make composite materials. Composite plate is an example. There are many kinds of packaging bags, such as paper, cloth, plastic, many kinds. Materials are divided into fiber, polypropylene, polyethylene and so on. In composite packaging, there are no more than several kinds of raw film: printing film, composite film, film that can directly contact the product.
1. Printing film
Common printing films include: pet (polyester film) thickness commonly used is 12 μ m, BOPP / mat BOPP (biaxial tensile polypropylene film / Matt BOPP film) thickness commonly used are 18 μ m, 25 μ m and 28 μ m, and nylon BOPA (biaxially oriented nylon film) thickness is usually 15 μ M.
2. Composite membrane
The common composite films are PE (polyethylene film) thickness between 25 μ m and 150 μ m, CPP (cast polypropylene film) thickness can be adjusted at will, VMPET (aluminized polyester film) thickness commonly used is 12 μ m, VMCPP (vacuum aluminized cast polypropylene) thickness can be adjusted at will, Al (aluminum) thickness can be adjusted at will The thickness of aluminum foil is generally 7 microns, and some printing films can also be used as composite films, such as pet and nylon BOPA films.
3. Film that can be in direct contact with the product
Especially for food and medicine, PE film, CPP film and VMCPP film can be directly put into the innermost layer to contact food. They are safe, but the raw material film must be food grade. In the process of purchasing, buyers will attach great importance to the safety of raw materials we use, such as whether they are food grade, whether there are various kinds of certification, such as FDA and CE certification. Companies with conditions can do more certification to improve the trust of customers.
The status of composite packaging in food packaging bags: 1
Composite packaging bag, packaging bag products in daily life, especially in food packaging bag, is widely used, and its position in the field of food packaging bag is hard to shake. In the adverse economic environment, the price of raw materials in the printing and packaging machinery industry has risen sharply, and the printing and packaging machinery materials such as paper materials, plastic materials, metal materials, glass materials, auxiliary materials, composite materials, gilding materials, anti-counterfeiting materials and other printing and packaging machinery materials are on the rise in an all-round way, resulting in a substantial increase in the production costs of printing and packaging machinery industry enterprises, which has become a crushing pressure on the printing and packaging machinery industry The last straw, become the printing and packaging machinery industry related enterprises can not bear the heavy. Therefore, the packaging bag products made of composite materials are deeply loved by consumers.
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Dongguan Beite packaging materials Co., Ltd
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