Acrylic filter felt

Short Description:

The acrylic fiber used in the filtration industry generally refers to the homopolymer acrylic. Acrylic ,(acrylic fiber) fiber was invented by DuPont in 1950. It has a round or octagonal, the surface is smooth, it is not easy to absorb water, it can resist acid and alkali and sunshine, and it is not easy to yellow and stain. It is usually called polyacrylonitrile fiber. Acrylic fiber itself fiber strength is not very superior, generally using polyester filament cloth or acrylic and polyester m...


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The acrylic fiber used in the filtration industry generally refers to the homopolymer acrylic. Acrylic ,(acrylic fiber) fiber was invented by DuPont in 1950. It has a round or octagonal, the surface is smooth, it is not easy to absorb water, it can resist acid and alkali and sunshine, and it is not easy to yellow and stain. It is usually called polyacrylonitrile fiber.

Acrylic fiber itself fiber strength is not very superior, generally using polyester filament cloth or acrylic and polyester mixed cloth to enhance the strength of needle felt.

Acrylic needle felt is a fine fiber cloth with uniform distribution of voids by using non-woven technology. The surface is smooth and smooth by hot rolling and burning, so it is not easily blocked by dust. Acrylic needle felt temperature resistance is 140~160 degrees Celsius, it is the best acid, alkali and hydrolysis resistance medium-temperature filter material.Our factory uses imported acrylic fiber as raw material to form felt by acupuncture, and then through special oil-proof and waterproof treatment to obtain acrylic medium temperature anti-hydrolysis needle filter felt. The filter material has excellent chemical resistance and hydrolysis resistance.

It is widely used in dust collection of flue gas such as power plant, waste incineration, asphalt, cement plant, coal mill, asphalt and ceramic spray drying tower.

Acrylic filter felt technical data:

Material Acrylic+Acrylic scrim Acrylic+ polyester scrim
weight (g/m2) 500 500
thickness (mm) 2 2
air permeability (L/㎡/S) 150~300 150~300
(m3/m2•min) 14 14
Breaking intensity(N/5×20cm) warp ≥800 ≥1000
weft ≥1000 ≥1200
breaking elongation (%) warp <20 <20
weft <45 <45
Thermal shrinkage@150degC,90min <2% <2%
Breaking intensity (Mpa/min) 2.4 2.4
working temperature (℃) ≤130 ≤130
peak temperature (℃) 160 160
acid-resisting  excellent  excellent
alkali-resisting good goog
resistance to oxidation Medium Medium
abradability goog good
hydrolyze stability  excellent  excellent
Finishing treatment Heating, singeing, calendering

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