Irradiation cross-linkable PVC compound

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Product Description:

Irradiationcross-linkable PVC compound

I.                  Type andapplication

Type

Product

Application  and Cable Specification

1151N

105℃  Irradiation cross-linkable PVC insulating compound

Used for irradiation cross-linkable cables  and wires which working temp. of conductor is 105

1152N

105℃  Irradiation cross-linkable PVC jacket compound

Used for irradiation cross-linkable cables  and wires which working temp. of conductor is 105

1151N-R

105℃  Irradiation cross-linkable PVC insulating compound

Used for irradiation cross-linkable cables  and wires which working temp. of conductor is 105℃, according with JASO D618-2008 XLPVC  standard.

II.               Productdescription

Irradiation cross-linkable PVC compound forcables and wires, based on PVC resin, is made into granula by specialprocessing with adding plasticizer, stabilizing agent, cross-linking agent andother special agents. The products meet various special requirements, such asdifferent hardness, UV stable, environment friend (RoHs, REACH, PAHs,chlorinated alkanes free,  phthalatefree, and etc.), sub-shine and fog surface, low temperature resistant, PS/ABStransfer proof, rodent-repellent, termite-repellent, and transparent, and etc.

III.            Irradiatingdosage

The normalirradiating dosage of irradiation cross-linkable PVC compound is 6-8 mega-rad.

Note: For the compound would be coloured if the white and nature colourcompound were irradiated directly, the compound need add white colourmasterbatch before processing.

IV.             Processing

It is recommended that compound should beprocessed with common extruder having a minimum L/D ratio of 20. Non-specialrequirements of equipment and processing are needed.

The following temperature(℃) profileof extruder is recommended

Zone

Zone 1

Zone 2

Zone 3

Zone 4

Head

Die

Temperature  

140

160

170

175

180

175

V.                Storageand transport

Packaging:25kg/bag, PEmembrane 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.

VI.             Properties

Table

Item

Unit

Standard  Value

1151N

1152N

1151N-R

Tensile Strength

≥  MPa

16.0

15.0

16.0

Elongation at  Break

≥   %

150

180

150

Impact Brittleness Temperature

≤  

-15

-20

-20

Volume Resistivity,  at 20

Ωm

1.0×1011

1.0×108

1.0×109

Volume Resistance at  working temperature

Temperature

95±1

Volume Resistance

Ωm

1.0×108

Dielectric Strength

≥ MV/m

20

18

20

Hot Deformation

≤   %

40

50

40

Thermal Stability Time

at 200

≥  min

120

120

120

Oxygen Index

≥  %

26

Thermal Prolongation

Elongation Under Load

≤   %

175

175

175

Thermal Aging

Aging Temperature

136±1

136±1

136±1

Aging Time

h

168

168

168

Retention of Tensile Strength

≤   %

+80

+80

+80

Retention of Elongation at Break

≤   %

+75

+70

+75

Note: The above data are the compoundproperties after irradiated.


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