PTFE needle felt film filter material due to its excellent material properties and the effect of the production process is enhanced, the product's performance indicators are extremely prominent, the main features are summarized in six words "one low, one high, four good". The details are as follows: The filter material is made of high-strength PTFE base fabric, and the surface layer is needle-punched PTFE staple fiber, and the texture is soft. When the dust is cleaned, the jitter is good, the dust is easy to be stripped; the required dusting pressure is small, the number of cleaning times is small, the consumption of compressed air is effectively reduced, the maintenance amount is reduced, and the running cost is saved. The PTFE microporous membrane on the surface of the PTFE needle felt filter bag has a small and uniform pore size (0.10-2.0 μm), which can separate all dusts larger than the diameter of the micropores, dust PM10 (inhalable dust) and PM2 which seriously damage human health. .5 (respiratory dust) has a very high capture rate. Therefore, the dust purification efficiency is high and stable, and it is easy to achieve an emission standard of less than 10 mg/m3. The filter material is heat-set and processed, and the original size is maintained at high temperature, which does not affect the gap between the filter bag and the skeleton, and ensures the filtration and cleaning effect. The PTFE needle felt coated filter bag can be continuously operated from the acid dew point to 240 ° C, and the instantaneous temperature resistance reaches 260 ° C. The PTFE needle felt coated filter bag is not oxidized by oxygen or nitride, so it is not necessary to consider the problem of high and low oxygen content in the dust collector. The corrosion resistance of the PTFE material is outstanding, and the whole filter material is immersed by PTFE to resist the corrosion of corrosive substances such as various acids and alkalis, and the base fabric of the filter bag is not corroded. Due to the self-performance characteristics of PTFE material, the surface is smooth and the friction coefficient is low, which eliminates the adsorption of water by the filter material and effectively reduces the phenomenon of condensation after condensation. The physical and chemical properties of the PTFE needle felt filter bag are excellent, so the use of the product is not affected by the fuel change. The composition of the chemical components in the fuel, volatile matter, moisture content, sulfur content, ash, etc. are not harsh. Claim. Can fully meet the requirements of various types of complex working conditions.
Main technical parameters of filter bag
100% PTFE needle felt coated filter bag |
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Fabric organization |
PTFE Fibre+PTFE Base cloth |
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Gram (g/m2) |
750-800 |
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thickness(mm) |
1.5 |
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Breaking strength(N/50mm) |
Warp |
≥800 |
Weft |
≥1300 |
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Elongation at break(%) |
Warp |
≤30 |
Weft |
≤50 |
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Breathability(dm3/m2/s) |
20--50 |
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Recommended temperature (℃) |
Continuous use |
120-240 |
Instantaneous high temperature |
260 |
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Recommended wind speed (m/min) |
0.6-0.8 |
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Post processing |
PTFE Impregnation、Heat setting、PTFE Laminating |
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Emission concentration mg/m3 |
≤10 |