1、Performance introduction

Serial number Item parameter
1 name Acrylic filter bag
2 Material Acrylic Fiber/Acrylic Base Fabric
3 Gram weight (g/m2) 500
4 Air permeability (‌m³/(m²·min) 6-1214
5 Warp tension (N/5×20cm) >700
6 Weft tension (N/5×20cm) >1000
7 Warp elongation (100%) <25
8 Weft elongation (100%) <45
9 Operating temperature (℃) <125℃, instantaneous140℃
10 Post-processing method Burred, calendered, water and oil resistant, PTFE coated
11 Main application scope Asphalt, coal mill, spray drying, etc
  1. Characteristics of acrylic bag

Acrylic needle-punched felt is a kind of fine fiber cloth which adopts non-woven needle-punched process and uses strong acrylic fibers arranged in a staggered manner with uniform gaps. Its surface is hot rolled and singed to make its surface smooth and not easy to be blocked by dust. This filter material has large gaps, good air permeability and strong chemical resistance. It can not only filter normal-temperature gases but also filter medium-temperature gases (150 ℃). Meanwhile, it is an ideal filter material for acid and alkali corrosive gas working conditions. Compared with polyester needle-punched felt, acrylic has the most important characteristic of better water hydrolysis resistance than polyester needle-punched felt.

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Yishao Jia
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