With the continuous development of science and technology, various filter materials have emerged, among which the independently developed high-efficiency PTFE composite filter material is one of them .
High-efficiency PTFE composite filter material is made of dispersed polytetrafluoroethylene Microporous membranes made of resin are composited with various substrates. A major feature of this filter material is surface filtration, which can improve filtration efficiency and adjust problems such as increasing filtration pressure and high concentration of fine dust emissions that often occur in traditional filtration methods. The mechanism of membrane surface filtration is the same as that of dust layer filtration, mainly relying on micropore screening. Because the pore size of the membrane is very small, it can retain a large portion of dust particles on the surface of the membrane, completing the gas-solid separation process. This process is different from the separation process of general filter materials. The dust does not penetrate deep into the fibers supporting the filter materials. The advantage is: a thin layer of dust with good air permeability can be formed on the surface of the membrane at the beginning of the filter bag operation, which can ensure both high dust removal efficiency and low movement resistance, and as mentioned, dust cleaning is also easy. easy.
PTFE membrane is a three-dimensional mesh structure with no through holes. The porosity and pore size distribution are important indicators for measuring PTFE membrane. The porosity of PTFE membrane is generally between 80% and 95%. A high opening rate will increase ventilation; a concentrated pore size distribution indicates that the membrane pore size is uniform. With a special production process, different pore sizes can be controlled for different materials to achieve high-efficiency filtration. Usually, membrane thickness is not an indicator for evaluating PTFE membranes. If the thickness of the membrane is too thick, it will easily cause problems such as low air permeability and high operating pressure. According to many years of research and observation, film thickness basically does not affect the service life. The key is the composite strength, which is an important factor affecting the service life.
High-efficiency PTFE composite filter material‘s high air permeability and high interception efficiency enable the vacuum cleaner to not only intercept airborne dust particles, but also The vacuum cleaner maintains low energy consumption, and the materials can be washed to restore performance for reuse. The filtration accuracy can reach above U15 level (99.9995%) or even U17 level (99.999995%), which can meet the needs of high-precision electronic products such as semiconductors and chips. Purification requirements for processing shops. Interested parties are welcome to enter the store for consultation and purchase!
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