Views:100 Author:Site Editor Publish Time: 2021-12-14 Origin:Site
PTFE film, also known as polytetrafluoroethylene film, is a kind of microporous film made of polytetrafluoroethylene as raw material, processed by premixed, extruded, calendered, bidirectional stretching and other special processes. Ptfe film roll has high mechanical strength, strong hydrophobicity, non-adhesion, friction resistance, high and low temperature resistance, corrosion resistance, anti-bacterial, anti-penetration, good dielectric properties, etc. Ptfe sealing film is widely used in electronics, chemical industry, paper making, textile, metallurgy, electric power, pharmaceutical, medical equipment, food, building materials, environmental protection and other fields.
According to the use of the division, PTFE membrane can be divided into waterproof membrane, filter membrane, purification membrane, clothing membrane, etc. Ptfe waterproof membrane can be used in chemical industry, steel, electroplating, electronics, medicine, printing and dyeing and other fields as waste liquid separation filtration membrane; filter membrane can be used in chemical industry, metallurgy, electric power, building materials and other fields as flue gas filter membrane; purification membrane can be used as air purification membrane in pharmaceutical, biochemical, electronic and other fields; clothing film has the characteristics of windproof, warm, waterproof, composite with other fabrics can be used for manufacturing military clothing, medical clothing, special protective clothing, outdoor sports clothing, sleeping bags, tents, etc.
In the 1960s, the United States DuPont took the lead in the use of tensile process to make expanded ptfe membrane. In the 1970s, Japan, Europe began to develop and produce PTFE film, then the global PTFE film industry continues to expand. In the late 1970s, China began to conduct research on PTFE membrane technology, early limited by the technical level, the production of products can only be used in a few fields, as well as the industry scale is small. By the end of 1980s and early 1990s, China's PTFE membrane manufacturing process to achieve a breakthrough, the scope of application of products to expand, the scale of the industry was gradually expanded.
Since 2015, the global PTFE membrane market demand has continued to grow, driven by the continuous development of electronics, chemical, pharmaceutical, environmental protection and other industries. With the increasing prominence of ecological and environmental problems, the global attention to environmental protection is increasing, the rapid growth of the demand for PTFE membrane in the field of environmental protection, has become an important driving force for the growth of the global PTFE membrane market. It is expected that in 2020, the global PTFE membrane market size will reach about 10.36 billion yuan.
PTFE membrane has excellent comprehensive performance, can be used under harsh conditions. It has a wide range of downstream applications, environmental protection is an important application market.
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