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1.100% PTFE teflon felt dust bag, 2.High temperature 250 celsius, 3.Anti acid, alkali and oxidation, 4.Weight:700 g/m2 - details see: https://www.machineto.com/100-ptfe-teflon-felt-bag-for-industry-dust-collector-10216728

Best chemical stability PTFE nowoven fabricfilter bag

Composition: 100% PTFE fibre

Thickness: 1.1 mm

Weight: 700 g/m2

Density: 0.68g/cm3

Air permeability: 10-12 m3 /m2 * min

Tensile strength warp: >700 (N/5 x 20 cm)

Tensile strength weft: >800 (N/5 x 20 cm)

Tensile elongation warp: <10%

Tensile elongation weft: <10%

Breaking strength: >300 N/cm2

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

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 of chemical, waste incinerator, high temperature liquid filtration .