Jiangsu Dongfang Cable Material Co., Ltd.

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Anti-insect sheath material

Category:

Polyethylene Sheath

Description

Foreword

Anti-insecticide sheathing material is a granular plastic made of ultra-high hardness engineering plastics, adding antioxidants, processing aids, ultraviolet absorbers and other auxiliary agents through mixing, extrusion and granulation.

Product name, model and purpose

The anti-insect sheath material produced by our company has the characteristics of high hardness, excellent resistance to environmental gravitational cracking, anti-termite, and UV resistance. The product names, models and main uses are as follows:

Name	Model	Primary use
Insect control jacket	HDPE (TMC)	For communication cables, optical cables, submarine cables, power cables, the maximum operating temperature is 90 °C.

Performance

Typical mechanical and electrical properties

Experimental project		Units	Specifications
Experimental project		Units	HDPE (TMC)
Melt Flow Rate	≤	g/10min	1.0
Density		g/cm³	0.940-0.960
tensile strength	≥	Mpa	20
tensile yield strength	≥	Mpa	16
Elongation at break	≥	%	650
Environmental stress cracking resistance	≥	F₀/h	500
110℃ air oven heat aging for 240 hours
Rate of Tensile Strength Change	±	%	25
Rate of change in elongation at break	±	%	25
Termite prevention (ant nest method)		level	1
Carbon black content		%	2.60±0.25
Carbon black dispersion	≤	level	3
Low temperature impact embrittlement temperature	≤	℃	-50
Dielectric Strength	≥	MV/m	25
Volume resistivity at 20℃	≥	Ω.m	1.0×10¹⁴
Hardness (Shore D/1S)	≥	D	64

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 ℃	180	190	200	210	220	220	210

Packaging, Shipping, Storage

1. The inner bag of the product is packed with polyethylene film bags, and the outer bag is packed with plastic woven bags or composite bags. The net weight of each bag is 25± 0.2kg, and other packaging and unit net weights can also be used.

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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