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Home >> Gas Filter >> Needle Punched Felt >> PTFE Coated Felt


Product Item
:
Membrane Needle Punched Felt (PTFE Coated Felt)
Product Introduction:
Membrane makes the felt obtain the properties of membrane material, at   the same time felt keeps the original properties. . Generally, we use polytetrafluoroethylene   (PTFE) for membrane. Its surface is smooth with high air permeability, and it is waterproof. Its   chemical properties are stable. It can nearly retain all the particles in the dust gas, furthermore,   it can guarantee the largest air flow rate but not increase the running resistance. It is the ideal   filter material for dedusting. We largely produce high quality polyester, polypropylene   membrane needle punched felt, and special material of membrane felt, such as Aramid, PPS,   etc.


Property Index:
  1.Polypropylene membrane needle punched felt
  Make the Polypropylene felt obtain higher working temperature, smoother surface. This can   make the cakes removal easier, and increase the filtration precise without change of large air   permeability.

material

PP+PTFE

weight (g/m2)

500

thickness(mm)

1.9

Air permeability (m3/m2/min)

≥12

Breaking strength
(N/5*20cm)

war

≥1000

weft

≥1000

Elongation
(%)

warp

≤35

weft

≤40

tenacity (Mpa/min)

2.55

Constant working temperature (℃)

110

Instant working temperature (℃)

150

Acid resistant

excellent

Alkali resistant

excellent

Abrasion resistant

excellent

Hydrolyze stability

excellent

finishing treatment

Singed, calendering

  2.Polyester membrane needle punched felt

material

PP+ PTFE

weight (g/m2)

500

Thickness (mm)

1.90

Air permeability (m3/m2/min)

13

Breaking strength
(N/5*20cm)

warp

≥1000

weft

≥1100

Elongation
(%)

warp

≤35

weft

≤40

Constant working temperature (℃)

130

Instant working temperature (℃)

150

Acid resistant

excellent

Alkali resistant

common

Abrasion resistant

excellent

Hydrolyze stability

common

Finishing treatment

Singed, calendering


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