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1.Polyacrylonitrile fibre, 2.ISO:9001 quality control, 3.Your specs is accepted, 4.Anti-acid, anti-alkali and anti-hydrolysis - details see: https://www.machineto.com/acrylic-nonwoven-dust-collection-filter-bag-10217263

Acrylic nonwoven dust collectionfilter bag

Composition: homo-polyacrylonitrile

Thickness: 2.0-2.2 mm

Weight: 500-550 g/m2

Air permeability: 13-16 m3 /m2 * min

Tensile strength warp: >1200 (N/5 x 20 cm)

Tensile strength weft: >1300 (N/5 x 20 cm)

Tensile elongation warp: <30%

Tensile elongation weft: <50%

Operating temp. -continuous: 125 DEG ;instant: 150 DEG C

Specialties:Anti-acid, anti-alkali and anti-hydrolysis

Polyacrylonitrile fibers have good resistance for the organic solvents, oxidant, inorganic and organic acids and hydrolysis. Acrylic can be widely used in waste incinerators, bitumen, coal mills, and power plants for the dust collection at the low temperature, chemical corrosion and wet working occasions. According to different requirements, acrylic needle felt can receive different functional treatments, such as water and oil proof, PTFE dipping , coating, laminating and so on.