Selection of microporous filter material ptfe flat membrane

Polytetrafluoroethylene, referred to as ptfe, also known as tetrafluoroethylene, is a non-polar linear crystalline polymer. PTFE has many superior properties and has a wide range of uses. However, ptfe has a large linear expansion coefficient and is It is easy to deform under load; it has poor resilience, low bending and compressive strength, extremely high melt viscosity, and difficulty in forming and secondary processing; and under long-term load, creep is large and cold flow is prone to occur, which This cold flow phenomenon is one of the main reasons currently limiting its wider application.

The products of ptfe flat membrane manufacturers are generally made of polytetrafluoroethylene (ptfe) suspended powder as raw material, which is expanded and stretched to form a microporous film.

PTFE flat membrane has a fibrillar microporous structure with a porosity of more than 88%. There are 1.4 billion micropores per square centimeter, with a pore size range of 0.1μm-0.5μm. This film is coated on various fabrics using a special process and substrate, it can become a new type of filter material. The membrane has small pore size, uniform distribution and large porosity. While maintaining air circulation, it can filter all dust particles including bacteria to achieve the purpose of advanced purification and ventilation. Widely used in pharmaceutical, biochemical, microelectronics and laboratory consumables and other fields.

?Product quality is constantly improving, and it occupies a dominant position in the market with its unique and stable performance.

And it has a complete set of domestic advanced production lines, which can be customized according to user requirements.

The key technical parameters such as speed ratio, pressure ratio, operating temperature, etc. are optimized and combined. According to the ratio and pore-forming medium, the air permeability, thickness and void ratio can be adjusted online to meet your different requirements. .

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