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Acrylic needle felt
Normally in filtration acrylic refers to homopolymer acrylic which is essentially made from 100 of acrylonitrile. Homopolymer acrylic needle felt and filter bags for industrial filtration. This kind of needle felt is with good ability of acid and alkali resistance, anti-oxidation, hydrolysis resistance. It suits middle temperature and high acid, alkali chroma environment. It is widely used in metallurgy, chemical, building material, electric power station, mechanism industry, petroleum, medicine, printing and dyeing, food and beverage, and other industries to filter gas and recycle material.

Feature:
The major attributes of acrylic fibre are its excellent resistance to hydrolysis, its modest cost compared with the high performance fibres and reasonably high temperature resistance.

Acrylic fibre Typical characteristics
- High mechanical characteristics
- Excellent resistance to hydrolysis
- Optimal heat stability both in dry and wet conditions
- Optimal resistance to chemical agents
- Extraordinary resistance to light, weathering, mildew and bacteria
Material
Acrylic fiber
Weightg/m2
500
Thicknessmm
2.0
Air permeabilityL/O/S
m3/m2•min
150~300
14
Tensile strengthN/5×20cm
Warp
−800
weft
−1000
Tensile Elongation┌ィ
Warp
<20
weft
<45
Shrink @150degC,90min
<2
Broken strengthMpa/min
2.40
Continous working temperature─罍
+130
Short-time working temperature─罍
160
Anti-acid
Excellent
Anti-alkali
Good
Antioxidant
General
Anti-abrasion
Good
The stability of water solution
Excellent
Finishing
Singeing,calendering
 
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