Polypropylene filter cloth
polypropylene fiberfilter clothIt is a type of filter cloth, made from polypropylene fibres, in both woven and non-woven forms. By polypropylene filter cloth we usually mean woven cloth, used for liquid filtration
Filter cloth classification: polypropylene short fibre filter cloth; polypropylene long fibre filter cloth.
Polypropylene staple fibre, short fibre, spun yarn with hair. Polypropylene long fibre, long fibre, the formation of the yarn is smooth, so polypropylene long fibre than short fibre high breaking strength, good air permeability. By polypropylene staple fibre woven into the industrial cloth, cloth surface with hair, powder filtration market and pressure filtration effect is better than long fibre.
Polypropylene long fibre woven into industrial cloth, smooth surface, good air permeability, suitable for powder filtration.
Material properties of polypropylene filter cloth
Polypropylene filter press clothExcellent acid and alkali resistance, excellent strength, elongation and abrasion resistance, good chemical stability, good anti-hygroscopicity;
Heat Resistance: Slight shrinkage at 90°C; Elongation at break (%): 18-35;
Breaking strength (g/d): 4.5-9; Softening point (℃): 140-160;
Melting point (℃): 165-173;
Density (g/㎝3): 0.9.
Used in chemical industry, ceramics, pharmaceuticals, smelting, manufacturing, ore dressing, etc.
Industrial filter cloth performance indicators
Performance | polyester | nylon | polypropylene fiber | (loanword) vinylon, synthetic fiber made from polyvinyl alcohol |
Acid resistance | vigorous | mediocre | favourable | acid-intolerant |
Alkali resistance | alkali-resistant | favourable | vigorous | alkali |
Electrical conductivity | poorly | preferably | favourable | usual |
elongation at break | 30%-40% | 18%-45% | Larger than polyester | 12%-25% |
Resilience | an excellent | At 10%, above 90% | Slightly better than spandex | mediocre |
Abrasion resistance | an excellent | an excellent | (of an unmarried couple) be close | preferably |
Heat Resistance | 170 °C | 130 °C Slight shrinkage | 90 °C slight shrinkage | 100 °C Shrinkage |
Softening point | 230 °C -240 °C | 180 °C | 140 °C -150 °C | 200 °C |
Melting Point | 255 °C -265 °C | 210 °C -215 °C | 165 °C -170 °C | 220 °C |
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