Properties

Test Method

Value

Appearance

/

Pale yellow surface smoothing Impurities-free

Specific Gravity, g/cm³

ASTM D792

1.38

1.40

1.46

1.47

Hardness/shore A

ASTM D2240

28

40

60

70

Tensile Strength/MPa

ASTM D412

8.0

8.5

8.8

8.4

Elongation at break, %

ASTM D412

550

400

300

270

Tear Strength, kN/m

ASTM D624-B

15

14

16

15

Compression at Set, 177°C,22h

ASTM D395

33

40

38

37

Heat Resistance,225°C,72h

Hardness change(shoreA)

Tensile Strength, Mpa Elongati-on at break,%

+2

+3

+3

+3

-35

-30

-20

-20

-20

-24

-24

-25

Fuel C Volume Change/ % 25°C/72h

ASTM D471

27

25

24

23

Curing Condition:0.8-0.9DBPH(based on 100%) press cure 170°C *15min post cure 200°C*4h