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Description

RJH-801 series are heat resistance silicone rubber.


Technical Index

Typical general characteristics

Property

Inspection  method

Value

Value

Value

Appearance


Transparent/beige

Transparent/beige

Transparent/Red

Density @23

ISO 1183-1 A

1.05g/cm3

1.25g/cm3

1.25g/cm3

Hardness Shore A

DIN 53505

34

58

67

Tensile strength

DIN 53504 S 1

8.2Mpa

9.0Mpa

9.2Mpa

Elongation at break

DIN 53504 S 1

860%

344%

262%

Tear Strength

ASTM D 624 B

18KN/m

21KN/m

21KN/m

Compression set  

DIN ISO 815-B
  (22 h / 175 °C)

25%

18%

19%

Rebound elasticity

DIN 53512

58%

58%

50%

Heat stability

Properties   after aging 7days @287

Hardness Shore A

DIN 53505

35

70

76

Tensile strength

DIN 53504 S 1

4.5Mpa

5.3Mpa

5.0Mpa

Elongation at break

DIN 53504 S 1

280%

167%

107%

Properties   after aging 10days @250

Hardness Shore A

DIN 53505

32

66

72

Tensile strength

DIN 53504 S 1

5.9Mpa

6.8Mpa

7.0Mpa

Elongation at break

DIN 53504 S 1

320%

239%

161%

Properties   after aging  3days@250

Hardness Shore A

DIN 53505

37

63


Tensile strength

DIN 53504 S 1

6.3Mpa

7.9Mpa


Elongation at break

DIN 53504 S 1

380%

268%


Properties   after aging  3days@300

Hardness Shore A

DIN 53505

29

70


Tensile strength

DIN 53504 S 1

4.2Mpa

5.1Mpa


Elongation at break

DIN 53504 S 1

180%

126%








Note:

Ratio of curing agent DBPMH(95%): 0.6%

Cure condition: 175×10Min 

Post cure condition: 200×4h

The samples for compression set and rebound elasticity are after post-cured.


Application
This product can be used in variety of applications, including:
Suitable for all kinds of products that need to be used in high temperature environment.