Semiconducting PVC Jacketing Compound for High Voltage Cable

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Product Description:

Semiconducting PVCJacketing Compound for High Voltage Cable

I.                   Typeand application

Type

Product

Application and Cable Specification

VB-35A

Semiconducting PVC Jacketing  Compound for High Voltage Cable

Applying to high voltage cables  and other area cables as jacketing compound

VBZ-35A

Semiconducting Flame retardant  PVC Jacketing Compound for High Voltage Cable

Applying to high voltage cables and other area cables as flame  retardant jacketing compound

II.                ProductDescription

Theseproducts used PVC resin as base materials, and added nanometer conductivecarbon black as filling, by mixing, plasticizing, pelleting, and finished aspellets. These products have very good conductive and processingcharacteristics. And it mainly substituted the graphite coat structure.

In theformula, it decreased the affect of plasticizer to conductive carbon black bythe technology of toughness reinforcing. At the same time, reduced the affectof materials low temperature and processing properties, because adding masscarbon black in the products. And we selected suitable low temperatureadditiver and rheological agent to improve the PVC materials, and made it hasgood integrated properties.  

III.              Processing

Use singlescrew extruder to process, suggest to put one layer 60/80 strainer.

Thefollowing temperature(℃) profile of extruder is recommended:

Zone

Zone 1

Zone 2

Zone 3

Zone 4

Zone 5

head

Die1

Die2

Temperature ℃

140

155

160

165

170

170

170

170

Note:Above information just for you refer, please adjust it according to equipmentconditions and extruding situation.

IV.              Storageand transport

Packaging:25kg/bag,Aluminumfoil vacuum and moistureproof inside bag and complex Kraft outside bag.

Storage and transport: Avoiding indirect sunlight and weathering. The storage place should be in clean, cool,dry, and ventilated conditions.

V.                 Properties

Table

Item

Unit

VB-35A

VBZ-35A

Standard Value

Typical

Standard Value

Typical

Tensile Strength

≥  MPa

12.5

14.5

12.5

14.2

Elongation at Break

≥   %

180

220

180

230

Impact  Brittleness Temperature

  ℃

-15

Pass

-15

Pass

Volume Resistivity, at 23℃

≤  Ωcm

100

25

100

30

Hot  Deformation

≤   %

40

25

40

26

Thermal  Stability Time

at  200℃

≥  min

80

Pass

80

Pass

Thermal  Aging

℃×h

100±2/168

100±2/168

Tensile  Strength after aging

≥  MPa

12.5

14.8

12.5

14.6

Variation  on Tensile Strength

  %

±20

+2

±20

+3

Elongation  at Break after aging

≥   %

180

200

180

210

Variation  on Elongation at Break

    %

±20

-9

±20

-8

Loss  of Mass

≤  g/m2

20

12

20

13

Oxygen  Index 

≥   %

_

_

30

30


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In cooking, and then use the spatula to the pot around even brushing, cooking process, add the tea boiled in the pot tofu can be used to wipe a few times: pour some oil, to avoid contamination of food, there are few iron dissolved substances, oil to be cooled, even with iron dissolved substances are also beneficial to the human body. So scrub out of the pot is not easy to rust, cooking in the iron pot is the most direct method of filling iron, at this time, just like the injection molding machine abrasives are iron, the first improper cleaning. Avoid flooding with water for the first time.
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Look what raw material, we add some crushed material to do the plate

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