Protective film properties and applications

Protective film: protects the protected product from contamination, corrosion, scratches, and protects the original shiny and shiny surface during production, processing, transportation, storage and use, thereby improving product quality and market. A film that is competitive.

The main production of protective film was originally concentrated in industrialized countries such as Japan, the United States and Europe. Due to the early development of industrialization in Europe and the United States, the requirements for surface protection of products have been entered earlier than in Asia to reduce the circulation from the factory to the market. In the process of transportation, handling, storage, and even display of the product, the loss of surface scratches encountered. In China, it was only in the 1990s that protective film was first introduced. At the beginning, it was mainly coated with rubber film. The development of self-adhesive film was late, and it was only after 2000. It has been in the expansion period in recent years.

Protective film application range

Applicable plastic products: telephone, mobile phone plastic lens, ABS, PP injection molding products, PVC sheet, acrylic sheet, instrument panel.

Applicable LCD series: LCD liquid crystal display, backlight board, EL electro-cooled light sheet, conductive film switch, touch screen, color computer monitor surface protection, belong to digital electronic products protective film.

Applicable decorative plate: stainless steel plate, aluminum alloy, aluminum curtain wall, titanium plate, plastic steel plate, ceramic, polyester plate and other products surface protection.

Applicable hardware products: computer case casing, galvanized sheet, iron plate stamping, computer baking board, frosted PC nameplate, printing and painting parts surface protection.

Applicable decorative plate: glass painting, sandblasting, engraving and other protection, acting as FK mesh series protective film.

Applicable to silk screen printing: PVC, PC, aluminum, copper and other metal, sign surface protection.

PET protective film

In 2015, the global protective film production was about 4.5 million tons, with sales of about 12 billion US dollars. It grows at a rate of around 5% every year.

In 2015, China's protective film production was about 1.2 million tons, with sales of about 4 billion US dollars. It grows at a rate of around 15% every year.

In recent years, under the background of China's rapid economic development, the protective film industry has developed rapidly, and several major production foundations such as Guangdong, Zhejiang and Jiangsu have been formed. In terms of regional distribution, it is mainly distributed in Shenzhen, Dongguan, and parts of Zhejiang and Jiangsu. Among them, Shenzhen has the largest number, accounting for nearly 80% of manufacturers and production share. It is gradually shifting to East China to form South China. The main production of low-end, East China production of high-end protective film trends!

Classification of protective film Protective film products can be classified according to market applications and viscous materials used. Different substrates are often used depending on the field of application. Common substrates include OPP film, PVC film, PET film, PE protective film! Specifically, there are the following areas: agricultural, furniture glass, home appliances, electronic products, etc.!

Process brief

Processing category: gluing protective film, self-adhesive protective film

The proportion of the two foreign processing technologies is 30% for the gluing type and 70% for the self-adhesive type, and the current trend is that the gluing type is continuously changing to the self-adhesive type. In the Chinese market, the proportion of the two processing technologies is 30% for the gluing type and 70% for the self-adhesive type, and it is gradually in line with the international standard, and the gluing type is constantly changing to the self-adhesive type.

Requirements for protective film: Appropriate and stable viscosity, easy to tear off, no residual glue after peeling off the protective film, no shadow, long-term fit, no air bubbles floating or curling, weather resistance required for outdoor use , low crystal point.