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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-needled-fabric-dust-collection-bag-10217245

Acrylic fabricdust collection bag /filter bag

Composition: homo-polyacrylonitrile fiber

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 C

-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 inwaste 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 aswater and oil proof, PTFE dipping , coating, laminatingand so on.