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1.PTFE teflon nonwoven fabric dust bag, 2.High temperature 250 celsius, 3.Thickness:1.1 mm, 4.Weight: 700 g/m2 - details see: https://www.machineto.com/700-g-m2-nonwoven-ptfe-teflon-dust-bag-10217052

700 g/m2 Nonwoven PTFE teflon dust bag

Fiber type		100% PTFE fibre
Thickness (mm)		1.1
Weight (g/m2)		700
Breaking strength ( N/cm2 )		>300
Air permeability (m3/m2.min)		10-12
Density ( g/cm3 )		0.68
Tensile strength (N/5*20cm)	warp	>700
	weft	>800
Tensile elongation	warp	<10%
	weft	<10%
Working temperature (DEG)	continuous	250
	peak	280
Finishing treatment		Heat setting

PTFE needle felt is a kind of fiber with extremely stable chemical properties. The material we use is mainly imported from Teflon of USA or Lenzing from Austria.

The advantages of PTFE needle felt are as follows:

1. Operating temp. continuous: 250 DEG C ; instant: 280 DEG C

2. Absolutely anti acid, alkali and oxidation and hardly combustible

3. Fitting for the most vicious working conditions, with extremely long durability, usually life cycle exceed three years

4. The unique no aging fiber

Because of the excellent stable chemical properties under different complicated working conditions, the 100% PTFE needle felt media is usually used in the fields ofchemical, waste incinerator, high temperature liquid filtration .