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Addition-curing HTV silicone rubber

This product is a solid silicone rubber cured with addition of platinum as the catalyst. It can be cured at a moderate temperature of 120℃, without any off-flavor and with high thermal utilization rate. The products made from it have higher tear strength than the grade like silicone products cured with peroxide. It is divided into two series: the D-01 series use precipitated silica, applicable to molding process and food contact silicone rubber products; the D-09 series use fumed silica, applicable to molding and extrusion process, and can be used to manufacture food contact silicone rubber products and transparent silicone tubes.

 

T     Typical Properties:

Category

Item

Appearance

Hardness Shore A

Tensile strength MPa

Elongation at break %

Breaking set %

Tear strength B KN/m

Specific density 25°C g/cm³

Dielectric strength kV/mm

Volume resistivity Ω.cm

Precipitated grade

MY D0130

Ivory translucent

30±3

7.0

600

-

15

1.08±0.05

-

70

MY D0140

40±3

7.5

500

-

19

1.13±0.05

-

55

MY D0150

50±3

8.5

400

-

20

1.15±0.05

-

50

MY D0160

60±3

8.0

400

-

20

1.19±0.05

-

50

MY D0170

70±3

8.0

300

-

18

1.22±0.05

-

45

MY D0180

80±3

7.0

200

-

15

1.25±0.05

-

35

Physical data in the above table is for reference only.

Vulcanization condition: platinum vulcanizator;(0.4-0.6)% added for component A, (0.8-2.0)% added for component B, at vulcanization temperature of (120-150℃)

 

Advantage:

- Platinum as the catalyst

- Cured at a moderate temperature of 120℃ without any off-flavor

- High thermal utilization rate

 

Applications:

- The D-01 series use precipitated silica, applicable to molding process and food contact silicone rubber products.


Category

Item

Appearance

Hardness Shore A

Tensile strength MPa

Elongation at break %

Breaking set %

Tear strength B KN/m

Specific density 25°C g/cm³

Dielectric strength kV/mm

Volume resistivity Ω.cm

Fumed grade

MY D0930

Transparent

30±3

8.0

700

-

15

1.07±0.04

-

60

MY D0940

40±3

8.0

600

-

20

1.13±0.04

-

50

MY D0950

50±3

8.5

500

-

25

1.15±0.04

-

50

MY D0960

60±3

8.5

400

-

25

1.18±0.04

-

50

MY D0970

70±3

8.0

300

-

25

1.22±0.04

-

40

MY D0980

80±3

8.0

200

-

20

1.25±0.04

-

35

Physical data in the above table is for reference only.

Vulcanization condition: platinum vulcanizator;(0.4-0.6)% added for component A, (0.8-2.0)% added for component B, at vulcanization temperature of (120-150℃)


Application:

- The D-09 series use fumed silica, applicable to molding and extrusion process and can be used to manufacture food contact silicone rubber products and transparent silicone tubes.

 

Packing & Storage:

- 20kg/ carton lined with plastic bags or sheets.

- The products have a shelf life of 9 months from date of manufacture depending on the shore hardness if stored at room temperature in the originally sealed container. 



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