High temperature non asbestos rubber joint gasket sheet for steam pipe

Non-Asbestos Rubber Sheet / Sealing Gasekt Sheet physical property

GB/T3985-2008

Item

XB150

XB200

XB250

XB300

XB350

XB400

XB450

XB510

Thickness

0.4mm ~ 6.0mm

Density

1.6-2.0 g/cm3

Burning loss≤

30%

30%

28%

Rebound degree

40

40

45

Temperature

 °c

150~170

200~220

250~270

300~320

350~370

400~420

450~470

510~550

Pressure MPa

1.5~2

2~3

3~4

4~5

7~8

8~9

11~12

14~15

Tensile Strength ≥

5MPa

6MPa

7~8MPa

9MPa

12MPa

15MPa

19MPa

21Mpa

Steam airtightness

with the temp of 150~170

°c and the pressure of 1.5~2MPa, keep for 30 min without puncture

with the temp of 200~220°c and the pressure of 2~3MPa, keep for 30 min without puncture

with the temp of 250~270°c and the pressure of 3~4MPa, keep for 30 min without puncture

with the temp of 300~320°c and the pressure of 4~5MPa, keep for 30 min without puncture

with the temp of 350~370°c and the pressure of 7~8MPa, keep for 30 min without puncture

with the temp of 400~420°c and the pressure of 8~9MPa, keep for 30 min without puncture

with the temp of 450~470°c and the pressure of 11~12MPa, keep for 30 min without puncture

with the temp of 510~550°c and the pressure of 14~15MPa, keep for 30 min without puncture

Aging Coefficient ≥

0.9

Compressibility %

12±5

Stress-relaxation ≤

50

Pliability

No Crack

Color

Black, green, red, grey, yellow, or as request

Size

1300mmx1300mm, 2000mmx1500mm, 1500mmx1350mm, 3180mmx1270mm, 1270mmx1270mm, 1500mmx1500mm, 1500mmx1000mm, or as request.

P.S.

Available with wire/metal mesh reinforcing or graphite coating