Jiangsu Dongfang Cable Material Co., Ltd.

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Semi-conductive polyolefin sheathing compound for cables

Category:

Shielding Material

Description

Foreword

The semi-conductive polyolefin sheath material for cables is made of polyethylene, EVA resin, and conductive carbon black as the main raw materials, adding an appropriate amount of lubricants, antioxidants and other processing aids. After mixing, extrusion, and granulation made.

Product name, model and purpose

Name	Model	Primary purpose
Cable semi-conductive polyolefin sheathing material	DFPS-H	For power cable jacket
Flame-retardant semi-conductive polyethylene jacket	BDD-ZH-MDPE	Sheath shielding material for flame retardant power cable

Performance

Typical mechanical and electrical properties

Experimental project		Units	Specifications
Experimental project		Units	DFPS-H	BDD-ZH-MDPE
density		g/cm³	≤1.20	≤1.25
tensile strength		MPa	≥12.5	≥12.5
Elongation at break		%	≥200	≥200
Air heat aging test
Test conditions	Heat aging temperature	℃	100±2	100±2
Test conditions	Duration	h	240	240
Rate of Tensile Strength Change		%	±30	±25
Rate of change in elongation at break		%	±30	±25
20℃ volume resistivity		Ω.cm	≤100	≤100
90℃(70℃)Volume Resistivity		Ω.cm	≤1000	≤1000
Volume resistivity after air thermal aging
Test conditions	Heat aging temperature	℃	100±2	100±2
Test conditions	Duration	h	168	168
90℃(70℃)Volume Resistivity		Ω.cm	≤1000	≤1000
Oxygen Index		%	-	26

Instructions

If the product needs to be dried before use when the product has a long storage period, it is recommended to use blast drying. It can be extruded with a single screw extruder of L/D≥25. It is better to enter the hot material into the extruder. Recommended reference The extrusion temperature is as follows:

Workspace	Zone 1	Zone 2	Zone 3	Zone 4	Zone 5	Zone 6	Head
Temperature ℃	130	135	140	145	150	150	145

Packaging, Shipping, Storage

1. The product 500Kg is a package, the inner bag is a polyethylene film bag, and the outer packaging is a rigid carton, which is placed on a wooden or plastic bracket.

2. Transportation and storage

The product shall not be exposed to sunlight and rain during transportation, and shall be kept clean, dry, free from contamination, and kept in a complete package.

The product should be stored in a clean, dry, cool and ventilated warehouse, and the storage period is 6 months from the production date.

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