Thermoplastic Semiconductive Shielding Material for Conductor of Non-crosslinked Polyethylene Insulat

Non-crosslinking Thermoplastic Shielding Material for Insulated Cables Below 35KV

Product Name, Model Type and Usage


Type Product Name Usage
PSD

Thermoplastic Semiconductive Shielding Material for Conductor of Non-crosslinked Polyethylene Insulated Cable

Insulation used for power cable up to 10KV-35KV

Product Introduction

This project is a semi-conductive shielding material based on polyolefin, adding conductive carbon black and various specific additives, through mixing, plasticizing, extrusion and granulation.

Specifications

·Excellent Conductivity                  ·Excellent Aging Resistance

·Excellent Processing Performance              ·Excellent Peelability

·Excellent Mechanical Properties

Use Characteristics

The cross-linked semi-conductive shielding material is suitable for cable conductors, and the maximum permissible working temperature is 90 C for a long time.

Thermoplastic semi-conductive shielding material is suitable for cable conductors. The maximum permissible working temperature is 70 C for a long time.

Process Technology

It is suitable for the processing of existing screw equipment of power cable, and can obtain good extrusion process effect.

Recommended Processing Temperature:

Zone 1# 2# 3# 4# 5# Head
Temp(℃) 80 85 90 95 100 110

Packages & Storage

Semi-conductive shielding materials should be stored in a clean, dry and ventilated warehouse. Storage temperature should not be lower than 0 C and stacking height should not exceed three boxes. The storage period shall not exceed six months from the third day of production.
Semi-conductive shielding material should be packed with moisture-proof packaging, PE composite film bag in the inner bag, sealed packaging, packed in special hard corrugated cartons, waterproof film coated, net weight of 500 Kg per box.±1Kg。

Technical Specifications

Specification / type

Unit

Standard Value

SH8505 or DTI-36

Standard Value

SH8506 or DTO-36-N

Test Method

Density

g/cm3

≤1.18

1.12

≤1.18

1.15

GB/T 1033.1

Low Temperature Impact Embrittlement Temperature

-40

Pass

-40

Pass

GB/T 5470

Hot Set Test,200℃0.2MPa
15min

 

 

 

 

 

GB/T 2951.5

Elongation Under Loading

%

≤100

50

≤110

48

 

Permanent Deformation after Cooling

%

≤15

0

≤15

0

 

Melting index,100℃21.6Kg

g/10min

≤1.5

1

≥2.0

1.5

GB/T 3682

 

 

 

 

 

 

 

Mechanical Properties

Unit

Standard Value

SH8505 or DTI-36

Standard Value

SH8506 or DTO-36-N

Test Method

Tensile Strength

MPa

≥12

14

≥10

14.2

GB/T 1040.3

elongation at break

%

≥180

240

≥200

290

GB/T 1040.3

 

 

 

 

 

 

 

Aging properties

Unit

standard value

SH8505 or DTI-36

standard value

SH8506 or DTO-36-N

test method

Thermal aging properties,135℃×168h

 

 

 

 

 

GB/T 2951.12

Tensile Strength Change Rate

%

±30

1

±30

15

GB/T 1040.3

Fracture elongation change rate

%

±30

-27

±30

-22

GB/T 1040.3

 

 

 

 

 

 

 

Electrical performance

Unit

standard value

SH8505 or DTI-36

standard value

SH8506 or DTO-36-N

test method

20℃ Volumetric resistivity

Ω·cm

≤100

31

≤100

90

GB/T 1410

90℃ Volumetric resistivity

Ω·cm

≤5000

491

≤2500

680

GB/T 1410

Volumetric Resistance after Thermal Aging,100℃×168h

h

 

 

 

 

 

90℃,Volumetric resistivity

Ω·cm

≤1000

306

≤1000

489

GB/T 1410

 

 

 

 

 

 

 

peel strength

N/cm

-

-

10-40

29

 

Peeling strength after aging,100℃×168h

h

 

 

 

 

 

peel strength

N/cm

-

-

10-45

29