Udvikling af beskyttende film i Kina af Ruby Dai

In several major rapidly developing industries in China, such as the

LCD screen manufacturing, optical products protection, glass, steel,

electronics, automotive, digital products and other industries are

all filled with figures of protective film, as a surface protection

against dust, maintain a clean protected content, to avoid loss and

scratches during transport. No matter in what industry, in any field,

protective film is playing an important role. Because of the wide

usage of protective film, its development has received increasing

attention. Development of functional protective film has made

progress and China started relatively late. Meanwhile the production

of light-sensitive material and the insulating material is gradually

developing into packaging substrate, including 60% of film market,

23% of electric special film, 10% of light-sensitive material and 5%

of painted decoration film.

Application of protective film material in the industrial sector is

developing rapidly and it is making higher demands of the quality and

characteristics of protective film. The development and application

of protective film is mainly risen in the early 1970s in a number of

countries such as Japan, United States and Europe. Through decades of

development, protective film is now widely used in machinery,

instruments, electronics, shipbuilding, construction, automobile

manufacturing and other industries. China started in the middle

period of the 1980s and grew up in the early 1990s. Therefore,

there is a certain gap between China and developed countries in

aspects such as basic research, production technology and application

of protective film. According to base materials, developed countries

divided protective film into dozens of different kinds. According to

processing purposes, it is divided in to protection films for simple

protection, for light processing, for semi finish and for heavy

processing.

As a country with lots of consumers of mobile phones, currently

production and sales of mobile phone screen protective film are more,

but these are generally low-end protective films. The raw materials

are mainly from Japan. Speaking on production of mobile phone

protective film, some adhesive tape factories, electronic material

factories and protective film factories are running it as non-core

business. Certainly there are also factories specialized in

manufacturing protective film, such as Shenzhen Taiji Opto-elec

Co., Ltd. In terms of original distribution, these protective film

factories are distributed in Shenzhen and Dongguan in Guangdong, and

some areas in Zhejiang and Jiangsu, of which the most in Shenzhen,

accounting for nearly 80% of manufacturers and production share. But

as nowadays touch-screen mobile phones are popular and people

concern about 3G mobile phones, protective film market is also

getting more business concerns.

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