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Flame Retardant Silicone Rubber

This series of Methyl Vinyl Silicone Rubber Compound is an insulating silicone rubber which has excellent properties:

- Good physical, mechanical and electrical properties;

- Under a certain period of time, the surface of products can precipitate silicone oil for self-lubricating;

- Excellent flame resistance and self-extinguishing properties;

- The flame retardancy of a 3mm test piece meets the FV-0 classification as specified in the national standard GB/T10707-2008;

- Conforms to ROHS requirements.


Applications:

Used in electronic and electric products with flame retardant and insulativity, such as flame retardant gaskets, flame retardant seal rings and wire sheaths for cold cathode fluorescent lamps.



Typical Technical Properties:


Item

LR-R130

LR-R140

LR-R150

LR-R160

LR-R170

LR-R180

Appearance

White, no mechanical impurities

Density, g/cm3

1.32-1.38

1.37-1.43

1.40-1.46

1.42-1.48

1.45-1.51

1.47-1.53

Hardness, Shore A

32±3

40±3

50±3

60±3

70±3

78±3

Tensile Strength, MPa ≥

3.5

4.5

6.0

6.0

5.5

5.0

Elongation at Break,% ≥

400

400

330

280

200

170

Tension Set, %≤

6

8

7

7

6

5

Tear Strength, kN/m ≥

12

13

15

15

15

13

Flame Retardancy, 3mm

FV-0


Item

LR-R250

LR-R260

LR-R270

LR-R280

Appearance

White, no mechanical impurities

Density, g/cm3

1.40-1.46

1.42-1.48

1.45-1.51

1.47-1.53

Hardness, Shore A

50±3

60±3

70±3

80±3

Tensile Strength, MPa ≥

6.0

6.0

5.5

4.5

Elongation at Break,% ≥

330

280

200

180

Tension Set, %≤

12

12

10

10

Tear Strength, kN/m ≥

15

15

15

13

Flame Retardancy, 3mm

FV-0


Item

LR-R141

LR-R151

LR-R161

LR-R171

Appearance

White, no mechanical impurities

Density, g/cm3

1.34-1.40

1.38-1.44

1.40-1.46

1.44-1.50

Hardness, Shore A

40±3

50±3

60±3

70±3

Tensile Strength, MPa ≥

5.0

6.0

6.0

5.5

Elongation at Break,% ≥

400

350

300

220

Tension Set, %≤

8

7

7

6

Tear Strength, kN/m ≥

13

15

15

13

Flame Retardancy, 3mm

FV-0


Item

LR-R540

LR-R550

LR-R560

LR-R570

LR-R580

Appearance

White, no mechanical impurities

Density, g/cm3

1.37-1.43

1.340-1.46

1.42-1.48

1.45-1.51

1.47-1.53

Hardness, Shore A

40±3

50±3

60±3

70±3

78±3

Tensile Strength, MPa ≥

5.0

5.0

5.0

5.0

5.0

Elongation at Break,% ≥

350

300

250

200

150

Tension Set, %≤

8

7

7

6

5

Tear Strength, kN/m ≥

13

14

14

14

12

Flame Retardancy, 3mm

FV-0


●The physical property data listed in the above table are for reference only.

●Curing conditions: 175*5min;

●Ratio of curing agent: 2,5-dimethyl-2,5-bis(tert-butylperoxy)hexane: 1.0%.



Instructions for industrial use:

◆The user is obliged to understand the scope of application and purpose of the product used;

◆Please do not use the above products for transplantation or injection into the human body;

◆The test report accompanying the goods is only the test result of the quality inspection department based on the company's vulcanization conditions and test methods;

◆Due to the difference in vulcanization conditions and test methods, we cannot guarantee that both parties can obtain the same test results. It is recommended that users use the test data obtained under their own test conditions as a reference for performance;

◆Any of the above performance data and applicable suggestions are only a reference for the performance of the company's products, and are not a guarantee of the effectiveness or versatility of the company's products in specific applications.



Package &Storage:

In 20kg carton packing with two layers, the inner packaging is a polyethylene plastic bag, and the outer packaging is a carton.

Keep in cool, dry and ventilated place. When transporting the product, it should be protected from rain, moisture, sun, acid, alkali and other impurities, and away from fire and heat sources. Keep in unopened containers, shelf life is 12 months from the date of production. It is shipped as non-hazardous substance.

Storage beyond the shelf life does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.


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