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Homopolymeric Acrylic (PAN) Needle Felts

Using the highest quality fiber materials and world-class needling techniques and equipment, HL Filter manufactures a wide range of Acrylic (PAN) needle felts with high dust-holding capacity and good air permeability. The advantage of this fiber compared to copolymeric PAN fiber is its higher temperature resistance, improved chemical resistance and higher strength. It is used mainly where polyester cannot be used owing to high moisture conditions.
Bulk Roll Goods: weight, thickness, density, roll width, and roll length are customized at your request.
  • Product Details


Features & Benefits

A type of acrylic, functions at higher temperatures

Good resistance to most mineral and organic acids.

Acrylic resistance to alkalis is inferior to most fibers except natural protein fibers such as silk and wool.

Acrylic has good resistance to most oxidizing agents and is superior to polyamides and protein fibers in this respect.

Excellent resistance to most common organic solvents.

High resistance to hydrolysis and good temperature resistance.

Not recommend for high concentration of strong alkalis at high temperatures.

Acrylic is more costly than polyester and polypropylene.

Continuous operating temperature 260℉ (127°C)


Fiber MaterialsPAN-Acrylic Homopolymer
Standard Finish Options
(Special surface treatments available)
Heat Set, Singed, Glazed, PTFE membrane
oz/yd² (g/m2)
14.75-16.22 (500-550)

   Inch (mm)
0.071-0.091 (1.8-2.3)
Air Permeability
 CFM@ ½" W.G125PA
 (m³/m².min@200PA )
12-21 (6-10) 
  Tensile Strength
 lb/in (N/5CM)
Warp MD 80 (700)
Weft CD114 (1000)
Tensile Elongation (%)Warp MD ≤25
Weft CD≤45
Thermal Shrinkage (%) at max continuous temp.Warp MD ≤1
Weft CD≤1.5
Max. Operating Temperature  oF (oC)Continuous260 (127)
The data are based on laboratory conditions. 
Testing based on specific operating conditions of each installation is recommended.


Power Generation

Paper, Pulp & Woodworking

Cement, Mining & Rock Products

Waste Incineration

Chemicals & Pharmaceuticals

Metals & Foundry

Food & Beverages

Custom OEM Applications

Most popular applications include: dryers, electric furnace, aluminum reduction and primary or secondary smelting.

Ordering Information

Customized per order

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