SR High Speed PVC Insulating Compound

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Product Description:

SR High Speed PVCInsulating Compound

I.                  Type andapplication

Type

Product

Application  and Cable Specification

2701N

70℃  PVC insulating compound

PVC insulating compound for programmable  exchanger wires. The extrude speed could be more than 1200m/min

2801N

80℃PVC  insulating compound

PVC insulating compound for programmable  exchanger wires. The extrude speed could be more than 1200m/min

5801N-SR-1

80℃semi-hard  PVC insulating compound

Applied to jumper wire of BT net 7000,  8000 and 9000 as insulation.

5801N-SR

80℃semi-hard  PVC insulating compound

UL80℃semi-hard  PVC as insulation.

II.               Productdescription

High speedPVC insulating compound for programmable exchanger wires, based onPVC resin, is made into granula by mixing, plastification and granulation withadding plasticizer, stabilizing agent, lubricant, modifying agent and etc.

III.            Processing

It is recommended that compound should beprocessed 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  

150

165

175

180

180

175

IV.             Storageand transport

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

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

2701N

2801N

5801N-SR-1

5801N-SR

Tensile Strength

≥ MPa

18.0

18.0

30.0

24.0

Elongation at Break

≥   %

150

150

100

150

Impact Brittleness Temperature

 

-15

-10

Volume Resistivity, at 20

≥Ωm

1.0×1012

1.0×1012

1.0×1012

1.0×1011

Volume Resistivity, at 70

≥Ωm

1.0×109

1.0×1010

Dielectric Strength

≥ MV/m

22

22

20

20

Thermal Stability Time

at 200

≥  min

60

80

120

80

Hot Deformation

≤   %

40

40

40

40

Thermal Aging

Aging Temperature

100±2

120±2

80±2

113±1

Aging Time

h

168

168

168

168

Tensile Strength after aging

≥ MPa

18.0

18.0

Variation on Tensile Strength

  %

±20

±20

≥80

≥80

Elongation at Break after aging

≥   %

150

150

Variation on Elongation at Break

  %

±20

±20

≥80

≥75

Loss of Mass after aging

≤  g/m2

20

20

10


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