比重Specific gravity ISO 2781

1.07

1.09

1.14

1.17

1.19

1.21

外观Appearance

半透明Translucent

半透明Translucent

半透明Translucent

半透明Translucent

半透明Translucent

半透明Translucent

二段硫化Post cure

-

-

-

-

-

-

邵A硬度

Shore A Hardness ASTM D 2240

35

40

48

64

73

78

拉伸强度

Tensile strength(Mpa) ISO 37

5.1

5.8

8.4

8.8

7.9

7.6

断裂伸长率

Elongation break(%) ISO 37

553

431

418

363

285

211

撕裂强度

Tear strength(KN/m) ASTM D 624 A

8*2

9*2

15*2

15*2

13*2

13*2

压缩永久变形

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

12*1

14*1

13*1

15*1

15*1

12*1

回弹

Rebound resilience(%) ISO 4662

69

73

67

56

52

51

优点

Advantages

High rebound and low compression set 

·高回弹/低压缩永久变形       Good mechanical properties

·优异的机械性能             Good heat stability

·优异的热稳定性能           Slight replastification after prolonged

·长期储存不易结构化         storage

·容易加工、不粘辊、容易脱模 Easy to process no sticky to 2-rolls easy

to demold

应用

Applications

·密封件                     Seal

·垫圈                       Gasket

·胶辊                       Roller

·按键                       Keypad