Non Woven Needle Felt Filter Medias

Acrylic needle felt

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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.

 

Features:

• 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

 

Applications

• Power Generation
• Municipal Solid Waste Boilers and Waste incinerator
• Cement
• Limestone
• Electrolysis and other Specialty membranes
• Asphalt
• Iron and non ferrous Metal Smelting Industry

 

Specification

Compositions

Acrylic fiber

Weight (g/ m2)

500

Thickness (mm)

2.0

Air permeability (L/m2/s)

150-300

Tensile strength
(N/5 20cm)

wrap

≥1200

weft

≥1300

Tensile Elongation(%)

wrap

<20

weft

<45

Broken strength
(Mpa/min)

2.40

Continuous working temperature(℃)

≤140

Short time Working temperature(℃)

160

Anti-acid

Excellent

Anti-alkali

Excellent

Anti-abrasion

Excellent

The stability of water solution

good

Finishing treatment

Singeing,calendering,