Industrial Acid Resistance Acrylic(homopolyacrylonitrile) Fiber Antistatic Film Coated Filter Cloth (needled Felt)

The acrylic fiber needled felt filtration materials produce by our company is made by imported raw materials. The product is used in the field with middle temperature conditions. It has good heat-resistance, and corrosion resistance. It is kind of flame-retardant fiber. Compared with the...

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The acrylic fiber needled felt filtration materials produce by our company is made by imported raw materials. The product is used in the field with middle temperature conditions. It has good heat-resistance, and corrosion resistance. It is kind of flame-retardant fiber. Compared with the ordinary acrylonitrile, it can resist higher temperature. Its continuous working temperature is 130℃. Compared with polyester(PET) or other acrylonitrile fiber, it has superior resistance to alkali and, corrosive gas, such as SO2, O2, O3. It shows the good resistance to organic solvent, oxidants, organic and inorganic acid when the working temperature is below 125℃. It does not have hydrolysis reaction, therefore, it is important to use the material to replace polyester to make felt filtration bag using at low temperature and wet conditions with chemical corrosion.

The antistatic property of non-woven needled of felt filtration bag(material)

Some fiber(especially for synthetic fiber) has high electric resistance and easily to carry electric charge. The common polypropylene felt’s surface resistance can reach 1×1014Ω. Friction on the surface of the felt for one minute can produce 2000V high-voltage electrostatic, the half-life is 1600s. The sparks occurred while the electrostatic is discharged. The sparks may cause the burning of the flammable dust inside the dust catcher. It may also cause explosion when the dust concentration reach explosion limit. Some easy charged dust concentration onto the surface of the filtration resistance. The high load will damage the filtration bag.

In addition, some dust scatters in the air, it may also cause explosion when the dust reach to certain concentration and when dust meets the sparks. Most explosive dust has particle size of 1-150um. The smaller the particle is the bigger the surface area is and the easier to cause the flame. For the dust collection of inflammable and explosive dust, we must choose the anti-static filtration materials even take special fire retardant or explosion-proof method.

In order to prevent the electrostatic hazards, we must use the conductive anti-static filtration material in certain industry conditions. The anti-static property will make the filtration material easily release the surface charge into the ground.

Our production technology to produce the non-woven felt line products with anti-static function. The method is listed as follows:

Add anti-static thread into the fabric for non-woven needle felt.
 Add conductive fibers into the fiber nets for non-woven needled felt filtration material.

Stainless steel fiber and modification conductive(carburizing) chemical fiber are commonly used. The filtration material with flame retardant properties generally refers to the fibers with limit oxygen index(LOI) more than 30. For example, PPS, P84, and PTFE fibers are safe.
 For the fibers with LOI less than 30, such as polypropylene fiber, polyamide, polyester, and other filtration materials, our company can apply the flame retardant dipping treatment to reach the safety goal based on user needs.


Polyester film coated needled felt

Material

Polyester fiber
     Polyester industrial filament base fabric
     PTFE Microporous membrane

Weight(g/m2)

550(g/㎡)

Thickness(mm)

1.8mm

Filtration wind speed

≤1m/min

Air Permeability(m3/m2/min)

2-6m3/㎡.min

Bulk Density(g/m2)

0.240g/㎡

Filtration precision

Dust particle size≥5µm
     Filtration efficiency100%

Tensile Strength(N/5×20cm)

Warp

>1000N/5×20㎝

Weft

>1800N/5×20㎝

Tensile Elongation(%)

Warp

<35%

Weft

<45%

Continuous Working Temperature

130℃

Instantaneous Working Temperature

150℃

Acid and alkali resistance

Good

Dust Stripping Rate(%)

96.67%

Static Dust Catching Rate(%)

99.965%

Dynamic Dust Catching Rate(%)

99.999%

Dynamic Resistance(%)

128Pa


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Inquiry

  • D7, Huashan Industrial Park, Xinfu District, Fushun City, Liaoning Province, China

  • fsxdfll@163.com

  • +86-024-58217958

Fushun New Oriental Industrial Filtration Material Co.,Ltd