Microporous structure of ptfe low-resistance filter membrane

As the saying goes, a good experiment depends on a good sample, a good sample depends on a good filtration, and a good filtration depends on the selection of the right membrane material. Filtration technology will play an increasingly important role in our experimental work. function, so what are the filter materials? PTFE low-resistance filter membrane is one of them.

There are many composite products on the market for PP melt-blown nonwoven fabrics and wet PET nonwoven fabrics, which generally use adhesive composites or ultrasonic spot welding composites.

PP melt-blown nonwovens work well in air filtration, but their tensile strength and bursting strength are very low. Wet-laid PET nonwovens can provide the tensile strength and bursting strength properties of composite materials and can Pleats.

PTFE low-resistance filter membrane has a microporous structure with staggered fibers. The porosity can reach 80%~90%. After high-temperature heat setting treatment, the microporous structure is stable and can effectively intercept dust particles. Moreover, Teflon micro The pore size of the porous membrane is small and uniform, and the surface filtration mechanism allows easy dust removal. It has strong hydrophobicity, low surface energy, and good non-adhesive ability. It can effectively remove dust accumulated on the surface. It can restore the performance by washing with water or backflushing, and greatly extends the service life. The filtration efficiency can reach 99.999995%.

The PTFE low-resistance filter membrane materials produced by the manufacturer are all imported raw materials, with a full set of advanced production equipment, an advanced clean room and an independent composite slitting workshop, ensuring the production quality of the PTFE membrane; Production and testing instruments imported from the United States are used to test the quality of the PTFE film, and it has passed international SGS testing and certification, as well as ISI testing and certification.

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