Material: 
Made of good asbestos Fibre rubber with steel wire inserted and compound heating and compression molding it (can be coated with graphite on the surface).
Uses:
used in flange joins of pipeline of water, steam, air, gas, etc.
Max working temperature: 450,  Working pressure: 8 Mpa
Sizes:
4100 x 1500 x (1.2 - 6.0)mm,  2000 x 1500 x  (1.2- 6.0)mm,
1500 x 1360 x (1.2- 6.0)mm,  3810 x 1270 x (1.2- 6.0)mm
1270 x 1270 x (1.2- 6.0)mm,  1500 x 1500 x (1.2 - 6.0)mm

The other size is optional or according to the requirements of customers.
Packing: in wooden pallet of about 1000 kgs, 2000kgs net each.

Item

KJXB450
Asbestos Rubber Sheet with
steel wire net strengthening

KJXB350
Asbestos Rubber Sheet with
steel wire net strengthening

KJXB250
Asbestos Rubber Sheet with
steel wire net strengthening

sile strength MPa

21.0

16.0

11.0

Aging Coefficient 

0.9

Burning Loss %

27

29

Density   g/cm3

1.6 - 2.0

Compressibility %

12  5

Rebound degree

42

40

Pliability

No Crack

Stress-relaxation

50

Steam Airtightness

with the temperature of 440-450 and the pressure of 13-14MPa,Keep for 30 min without puncture

with the temperature of 340-350and the pressure of 9-10MPa,Keep for 30 min without puncture

with the temperature of 240-250and the pressure of 7-8MPa,Keep for 30 min without puncture