Product Detail

SR2100UOR Series

 
Brand: Sanesil
Feature: good oil resistance
Industry: automobiles, motorcycles, ships, electric power field
Grade: Good oil resistance
Appearnce: Transparency
Origin: China
Package: 20KG/Bag
产品详情

Description: Series of SR 2100 UOR are silicone rubber compounds which arevulcanization moldingby adding curing agents. (The curing agents should be chosen according toprocess requirements.)


Special properties:

Ø   Excellent physical strength of raw rubber.

Ø   Barely structured in a long-term storage.

Ø   Low compression set.

Ø   Good thermal stability, up to 225

Ø   Excellent resistance to oil (low swelling).

Ø   Being able to be mixed with other rubbers.

Main applications:

Ø   SR2100 UOR series can be used to manufacture mechanical rubber goodswhich require low compression set and good oil resistance. This series is suitablefor molding, injection, extrusion process.


Characteristics:

Type (according to GB/T5576-1997)................................MVQ

Naturalcolor......................................................................White


Curing Condition:

After addition of 1.2% of 2.5-dimethyl bis-(tertiobutyl peroxy) 2.5-hexane (50%) and vulcanization for 5 min. at 175°C, withpost curing at 200×4.

Mechanical properties

Item

Test Method

Unit

Technical date

SR2150UOR

SR2160UOR

SR2170UOR

SR2180UOR

1 Mechanical   properties,1.1after a single curing

Density

ASTM D792

g/cm3

1.19

1.25

1.32

1.37

Hardness

Shore A

ASTM D2240


51

62

71

82

    Tensile Strength

ASTM D412

MPa

7.8

7.5

8.2

8.5

Elongation

ASTM D412

%

350

300

220

160

Tear Strength (Crescent)

ASTM D 624 B

kN/m

16

15

15.2

13.2

1 Mechanical   properties,1.1after secondary curing

Hardness

Shore A

ASTM D2240


52

62

72

83

Tensile Strength

ASTM D412

MPa

7.7

7.5

8.3

8.6

Elongation

ASTM D412

%

320

280

190

150

Tear Strength (Crescent)

ASTM D 624 B

kN/m

15

14

15.3

13

Compression   Set

(22hr/177)

ASTM D395

Method A

%

10

10.9

8.2

7.9

1 Mechanical   properties,1.3   Performance changes after 70 hours of   aging at 225

Hardness

Shore A

ASTM D2240


55

65

74

85

Tensile Strength

ASTM D412

MPa

7.1

6.5

6.4

6.84

Elongation

ASTM D412

%

310

235

150

130

2 Oil resistance2.1 Performance changes after   70 hours of aging in ASTM 903 oil at 150℃

Hardness

Shore A

ASTM D2240


36

48

56

69

Tensile Strength

ASTM D412

MPa

3.5

3.8

5.7

6.3

Elongation

ASTM D412

%

430

400

340

274

Volume change rate        

ASTM D 471

%

37

35

36

34

2 Oil resistance2.1 Performance changes after   70 hours of aging in ASTM 901 oil at 150℃

Hardness

Shore A

ASTM D2240


49

60

69

80

Tensile Strength

ASTM D412

MPa

6.7

6.8

7.5

7.4

Elongation

ASTM D412

%

420

350

310

285

Volume Change Rate         

ASTM D 471

%

5.4

5.2

3.4

2.3



Our factory:


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Our equipment:

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Our certificates:


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University of Science and Technology of China                           Rubber Technology

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