比重Specific gravity ISO 2781

1.08

1.16

1.25

外观Appearance

半透明Translucent

半透明Translucent

半透明Translucent

二段硫化Post cure

200℃16h

200℃16h

200℃16h

邵A硬度

Shore A Hardness ASTM D 2240

27/31

45/50

74/71

拉伸强度

Tensile strength(Mpa) ISO 37

9.7/9.4

9.3/9.4

7.0/7.7

断裂伸长率

Elongation break(%) ISO 37

810/715

655/625

455/455

撕裂强度

Tear strength(KN/m) ASTM D 624 A

28/26

42/37

29/31

压缩永久变形

Compression set(%)(22h/177℃/25%) STM D 395 B

-

-

-

回弹

Rebound resilience(%) ISO 4662

31/46

27/35

35/34

优点

Advantages

·高阻尼系数             Good damping coefficient

·低回弹                 Low rebound resiliency

·低脆化点（-110℃）     Very low brittle point（-110℃）

·耐热性好，可达250℃   Good heat resistance，up to 250℃

·耐核辐射               Good resistance to nuclear radiations

·高撕裂强度             High tear strength

应用

Applications

                         Vibration application

·防震用模压件           Joints and pieces for aeronautic and

·航天航空用部件         aerospace

·核电站处的电缆及连接器Wires or connector in nuclear power station

·有耐低温要求的部件     Products required for extreme

low temperature