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home> Product> Semi-conductive shielding rubber compound
Semi-conductive shielding rubber compound
Semi-conductive shielding rubber compound
Semi-conductive shielding rubber compound
Semi-conductive shielding rubber compound
Semi-conductive shielding rubber compound
Semi-conductive shielding rubber compound

Semi-conductive shielding rubber compound

Advantages:

This product is manufactured in accordance with the requirements of national standards JB/T 10738-2007：Semi-conductive Shielding Rubber Compound for Extruded Insulation Cables with Rated Voltage 35 KV and below for Insulating peroxide crossing linking semi-conductive shielding rubber compound for ethylene propylene rubber insulated cable. It can be used in the production of cables that the maximum permissible continuous operating temperature is 90℃. It has the excellent processing performance and stable property.

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No.

Items

Unit

HBD

HBD-1

Requirements

Measured value

Requirements

Measured value

1

Density

g/cm3

≤1.20

1.10

≤1.20

1.11

2

Tensile Strength

Mpa

≥6.0

7.5

≥6.0

8.0

Extension at break

％

≥180

260

≥200

330

3

Air oven aging test

135±2℃×168h

Change Rate of Tensile Strength

％

±30

7

±30

9

Change Rate of Extension at break

％

±30

-18

±30

-20

4

Hot set test

0.2Mpa 200±2℃×15min

Elongation under load

％

≤80

20

≤80

20

Tension set after cooling

％

≤10

2

≤10

2

5

Electric volume resistivity at  20℃

Ω.cm

≤100

70

≤100

50

Directory for usage

1、Extrusion: CPE has good heat-resistant and processing capability and wide extrusion temperature range, which enhance the safety for processing. For its hardness and viscosity are higher than neoprene, its extrusion temperature is correspondingly higher by 5-10 degrees.

                       Temperature range for stuffing port: 40-50℃

                       Temperature range for machine body:55-70℃

                       Temperature range for machine head: 65-80℃

2、In practical production, according to the difference of extruding machine and cable diameter, the processing parameter shall be adjusted. We will provide relevant technical data to our consumers after they buy our products and send experienced technicians to give on-site guidance.

3、Storage: it can be stored for more than six mouths. And it can still be used even though hardened after long time storage. It should be better for recycling if the conditions allows. Keep away from direct sunlight and raining.

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