Typical Properties of Silicone Rubber?

Typical Properties

Molding & Extrusion Grade Platinum Cured

POST CURED 2 hours @ 350ºF

GENERAL PURPOSE

HIGHER STRENGTH

Appearance

Transparent

Specific Gravity

1.12

1.15

1.21

1.11

1.15

1.19

1.22

Hardness, Shore A

40

60

74

40

50

60

70

Tensile, Mpa (psi)

10.3
(1500)

8.2
(1200)

7.6
(1100)

9.3
(1350)

9.7
(1400)

8.6
(1250)

9.3
(1350)

Elongation, %

825

750

675

800

850

680

600

Tear, Die B, kN/m (ppi)

39
(225)

45
(260)

50
(280)

41
(235)

47
(270)

47
(270)

58
(330)

Compression Set, % 22 h/177C

30

30

30

20

20

20

20

Dielectric Strength Volts / mil

500

500

500

500

500

500

500

USP Class VI

Passed

Passed

Passed

Passed

Passed

Passed

Passed

Temp Range of use 
-50 to 500 F

Yes

Yes

Yes

Yes

Yes

Yes

Yes