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p84 fiber My company imports from Austria INSPEC Since the fiber unique clover-section structure,only a few domestic manufacturers that can produce 100% P84 needle felt, P84 has the followingcharacteristics:
1, using a continuous temperature of 260 degrees, the instantaneous temperature up to 280degrees;
2, has good acid resistance, alkali resistance, in general;
3, the hydrolytic stability was significantly superior to the NOMEX fiber.
P84 fiber is widely used in smelting, chemical industry, waste incineration, cement kiln conditions,the useful life of three years, a performance filter material.

Needle Felt ingredients

Polyimide fibers (P84) / P84 base fabric

Polyimide fibers (P84) / fiberglass base fabric

Weight(g/m2)

450

500

550

800

850

900

Thickness(mm)

2.1

2.3

2.5

2.5

2.8

3.0

Air permeability(m3m2/min)

19

15

12

16

13

10

Breaking strength

Warp

650

700

800

1800

1800

1800

Weft

1150

1200

1300

1800

1800

1800

Elongation at break(%)

Warp

<35

<35

<35

<10

<10

<10

Weft

<55

<55

<55

<10

<10

<10

Rupture strength (Mpa/min)

2.55

2.50

2.40

3.20

3.10

2.95

Continuous operating temperature(℃)

≤ 260

≤ 260

Short-time working temperature(℃)

280

280

Acid resistance

Excellent

Excellent

Alkali resistance

In

In

Wear resistance

Excellent

Excellent

Hydrolytic stability

Good

Good

Post-processing mode

High temperature hot and singeing

High temperature hot and singeing or Teflon coating