PVC jacket compound

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Product Description:

PVCJacket Compound

I.                  Type andapplication

Type

Product

Application  and Cable Specification

7021N

70℃ PVC  jacket compound

Used for wires and cables which  working voltage less than 450/750V, and power cables which working voltage  less than 26/35kV, according with PVC/ST4 standard of GB5023 and PVC/S-1  standard of GB12706, and H-70 standard of GBT/8815-2008.

7022N

70℃Flexible  PVC jacket compound

Used for flexible wires and cables which  working voltage less than 450/750V, according with PVC/ST5 standard of  GB5023, and HR-70 standard of GBT/8815-2008.

9021N

90℃PVC jacket compound

Used for cables of  shipboard, rubber cables, and plastic insulating cables and others as jacket,  according with PVC-S2 standard of GB12706, and HI-90 standard of  GBT/8815-2008.

9022N

90℃Flexible PVC jacket compound

Used for flexible wires and cables  which working voltage less than 450/750V.

H-90

90℃PVC jacket compound

Used for heat resistant wires and cables  which working voltage less than 450/750V, according with HII-90 standard of  GBT/8815-2008, and PVC/ST10 standard of GB5023.

II.               Productdescription

PVC jacket compound forwires and cables, based on PVC resin, is made into granula by mixing, plastificationand granulation with adding plasticizer, stabilizing agent and etc. Theproducts meet various special requirements, such as different hardness, UVstable, environment friend (RoHs, REACH, PAHs, chlorinated alkanes free,  phthalate free, and etc.), sub-shine and fogsurface, low temperature resistant, PS/ABS transfer proof, rodent-repellent,termite-repellent, and transparent, and etc.

III.            Processing:

It is recommended that compoundshould be processed with common extruder having a minimum L/D ratio of 20.

The following temperature(℃)profile of extruder is recommended:

Zone

Zone  1

Zone  2

Zone  3

Zone  4

Head

Die

Temperature  ℃

140

160

170

175

175

170

IV.             Storage andtransport

Packaging:25kg/bag, PE membrane inside bag and Kraft outsidebag.

Storage and transport: Avoiding in directsunlight and weathering. The storage place should be in clean, cool, dry, andventilated conditions.


V.                 Properties

Table

Item

Unit

Standard Value

7021N

7022N

9021N

9022N

HⅡ-90

Tensile Strength

≥ MPa

15.0

12.5

16.0

12.5

16.0

Elongation at Break

≥   %

180

200

180

200

180

Impact  Brittleness Temperature

   ℃

-25

-30

-20

-30

-20

Volume Resistivity, at 20℃

≥Ωm

1.0×108

1.0×108

1.0×109

1.0×108

1.0×109

Dielectric  Strength

≥ MV/m

18

18

18

18

18

Hot  Deformation

≤   %

50

65

40

65

40

Thermal  Stability Time

at 200℃

≥  min

50

60

80

60

180

Thermal  Aging

Aging  Temperature

100±2

100±2

100±2

100±2

135±2

115±2

Aging  Time

h

168

168

240

240

240

240

Tensile  Strength after aging

≥ MPa

15.0

12.5

16.0

12.5

16.0

Variation  on Tensile Strength

   %

±20

±20

±20

±20

±20

Elongation  at Break after aging

≥   %

180

200

180

200

180

Variation  on Elongation at Break

   %

±20

±20

±20

±20

±20

Loss of  Mass

≤ g/m2

23

25

15

25

20


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