Biaxial stretching process to produce ptfe high-efficiency filter paper

ptfe high-efficiency filter paper generally refers to a microporous thin film formed by puffing and stretching polytetrafluoroethylene (ptfe) suspended powder. The ptfe high-efficiency filter paper uses a special process and is calendered, extruded, The filter membrane made by biaxial stretching and other methods is made of suspended polytetrafluoroethylene resin by molding, sintering, cooling into a blank, and then turning and rolling.

The polytetrafluoroethylene microporous membrane is coated on various fabrics and substrates using a special process, which can become a new type of filter material.

PTFE high-efficiency filter paper has a fibrillar microporous structure. The porosity of the membrane can reach more than 88% or even higher. Moreover, the membrane has 1.4 billion micropores per square centimeter, with a pore size range of 0.1um. —0.5um, high-efficiency filter paper has high and low temperature resistance (-200℃-260℃). It will not age, split, discolor, and has strong weather resistance after long-term use.

? is a company specializing in the research, development and production of polytetrafluoroethylene (ptfe) film products. The company has advanced PTFE film production lines, lamination and composite production lines, which are at the domestic advanced level.

The company’s 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 everything Focusing on the interests of users, we provide users with high-tech, high-quality, high-performance, and high-level products.

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