Product name: 70 Degree Sheathing-grade Flexible PVC Plastic
Author: 系统管理员 TIME: 2017-03-23 HITS: 【打印】 【关闭】

70 Degree Sheathing-grade Flexible PVC Plastic

Notes:

Far East New Materials’ 70 Degree flexible PVC cable sheath compound (H-70) refers to sheathing material for wire and cable. It is produced from PVC as base material and auxiliary materials, such as plasticizer and stabilizer, after being mixed, plasticized and granulated. It is applicable for 450/750KV and below wire and cable sheath.

I.      Basic Performances

Item

Standards

Unit

Test Result

Item Conclusion

Tensile Strength

≧15.0

MPa

17.6

Qualified

Elongation at Break

≧180

%

290

Qualified

After Air-oven Heat Aging (100°C, 168h)

Tensile Strength

≥15.0

MPa

17.1

Qualified

Variable Rate of Tensile Strength

≦+20

≥-20

%

-3

Qualified

Elongation at Break

≧180

%

280

Qualified

Variable Rate of Elongation at Break

≦+20

≥-20

%

-3

Qualified

Thermal Ageing Quality Loss

≦23

g/m²

6

Qualified

Thermal Deformation (120°C, 1h)

≦50

%

29

Qualified

Low-temperature Impact Embrittlement (-25°C)

≦15/30

Nr.

2/30

Qualified

Thermal Stability Time (200°C)

≥50

min

>50

Qualified

Volume Resistivity (20°C)

≧1.0×108

Ω.m

1.4×1012

Qualified

Dielectric Strength

≧18

MV/m

27

Qualified

II.      Proposed Process Conditions

Temperature of machine body: 140°C-160°C

Temperature of machine head:160°C

Temperature of extrusion die: 165°C

III.      Packing and Storage

The product is adopted with outer packing (composite bag) together with inner packing (plastic bag) with weight per bag of 25kg. It is moisture-proof and well packed during storage and transportation.

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