With the development of society, in order to better protect consumers, ptfe liquid filtration membrane has been making unremitting efforts on product performance. From the initial research and development of products to actual applications, strict material and system testing will be carried out , strive for perfection.
PTFE liquid filter membrane is made of polytetrafluoroethylene fine powder and additives that are fully mixed and then fed into an extruder. The powder is pushed to squeeze out strips of PTFE, which are then rolled into membrane sheets under a rolling machine.
After heating to remove the additives, it can be stretched longitudinally and transversely. After heat treatment, shaping, cutting and winding, a biaxially stretched microfiltration membrane is obtained.
The transverse stretching stage is a key step in controlling the microporous structure and thickness of PTFE liquid filtration membrane.
During the transverse stretching process, each part of the film along the transverse stretching direction is stretched unevenly, and transverse stretching is an uneven stretching process.
Compared with the two sides of the film, the stretch in the middle part is relatively small. Uneven transverse stretching causes the middle region of the film in the transverse stretching direction to have small pores and low porosity, while the two sides have large pores and porosity.
The difference in microporous structure in the transverse stretching direction of the film will affect the waterproof and moisture-permeable properties of the film and its laminated fabric.
The products are widely used in various fields. The company has always implemented the tenet of “quality first, reputation first”, with strong technical force, strict management system, brand-new production equipment, and complete testing instruments to ensure that everything is user-friendly. Putting profits first, we provide users with high-tech, high-quality, high-performance, and high-level products.
Our company’s products are your ideal choice. We always win the smile of every customer with our sincere heart. We sincerely welcome friends from all walks of life at home and abroad to visit our company and negotiate business for common development.
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