P84 Hochtemperatur Nadelfilz

Name

P84 High Temperature Needle Felt

Content

P84/p84 scrim

P84/fiber glass scrim

Weight:g/㎡

450

500

550

800

850

900

Thickness:mm

2.1

2.3

2.5

2.5

2.8

3.0

Air permeability:L/㎡.s

320

260

210

270

220

180

Breaking strength

warp

650

700

800

1800

1800

1800

N/5*20cm

weft

1150

1200

1300

1800

1800

1800

Breaking elongation

warp

<35

<35

<35

<10

<10

<10

%

weft

<55

<55

<55

<10

<10

<10

Continuous working Temperature℃

≥240

≥260

Instant working temperature ℃

280

280

Acid resistance

excellent

excellent

Alkali resistance

good

good

Abrasion resistance

excellent

excellent

Hydrolytic stability

good

good

Post-Treatment

Calendering,singeing

Calendering,singeing,coated.