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The Essence Of PVC Is A Vacuum Blister Film

Dec. 11, 2019

PVC Shrink Films can be divided into soft PVC and hard PVC. Among them, hard PVC accounts for about 2/3 of the market, and soft PVC accounts for 1/3. Soft PVC is generally used on the floor, ceiling and leather surface, but because soft PVC contains softener (this is also the difference between soft PVC and hard PVC), it is easy to become brittle and difficult to save, so its use is limited. Hard PVC does not contain softener, so it has good flexibility, easy to form, not easy to brittle, non-toxic and non-polluting, and long storage time, so it has great development and application value. The essence of PVC is a vacuum blister film, which is used for surface packaging of various panels, so it is also known as decorative film and adhesive film. It is used in many industries such as building materials, packaging, and medicine. Among them, the building materials industry accounts for the largest proportion, 60%, followed by the packaging industry, as well as several other small-scale applications.

PVC Shrink Films

PVC Shrink Films

Common shrink films in daily life are POF, PE, PVC; among them, its functions are divided into non-toxic, environmental protection, high transparency, large shrinkage, good sealing performance, high gloss, toughness, tearing, uniform heat shrinkage, etc .; Deposition packaging is a professional manufacturer specializing in the production of various shrink films, providing customers with quality products. POF heat shrinkable film is a multi-layer co-extruded polyolefin heat shrinkable film. It uses linear low-density polyethylene (LLDPE) as the middle layer, co-polypropylene (PP) as the interior and exterior, through three extrusion plastic extruders, and mold molding, film inflation and other special treatments. Mainly used for regular and irregular shaped product packaging. Due to its non-toxic, environmental protection, high transparency, large shrinkage, good sealing performance, high gloss, toughness, tearing, uniform heat shrinkage, it is traditional for high-speed automatic packaging. Replacement of PVC heat shrinkable film, widely used in automotive supplies, plastic products, stationery, books. PVC heat shrinkable film can be used for the insulation packaging of electrical and electronic components (such as the outer packaging of dry batteries); Transparent PVC Shrink Wrap Film is used for the packaging of general goods and food contact packaging. Using it as a packaging material can not only simplify the packaging process and reduce the packaging volume, but also because the shrinkable transparent film tightly wraps the packaged item, which can clearly show the color and shape of the item, so PVC heat shrinkable film is widely used in product packaging on.

Heat shrinkable film has entered the Chinese market from the beginning, and related production equipment has also been introduced into China during the same period. Now there are several Multi-purpose Shrink Film Manufacturers in China that can manufacture dual-foam heat shrinkable film production equipment. For Chinese domestic heat shrinkable film manufacturers, their equipment is mostly outsourced. Some high-end heat shrinkable film products (such as POF, PVDC, etc.) need to import production equipment. However, after many years of introduction, digestion and absorption, individual domestic heat shrinkable film manufacturers can also manufacture high-performance POF heat shrinkable film production equipment by themselves.

Heat-shrinkable films are divided into cross-linked heat-shrinkable films and non-cross-linked heat-shrinkable films. Cross-linked heat shrinkable film is a high value-added product. The network structure brought by ionizing radiation treatment significantly increases the toughness of the film, so it is not prone to delamination, unsealing, insufficient shrinkage, and quality issues such as surface damage. However, due to the complicated process of the cross-linked heat shrinkable film and the large investment in equipment, only a few countries in the world including the United States, China, and Japan can produce this product.