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One-step silane cross-linked polyethylene insulation material for 10kV and below cables YJG-10

This product is mainly made of linear low-density polyethylene, with the addition of catalytic masterbatch, additives, etc. It is processed in one go through a specific single-process technology and is mainly used for the production of low-voltage cables and control cables of 10kV and below.

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Product details

Performance indicators (typical values)： enforce standards：JB/T 10260-2014

Serial number	Test project		Unit	YJG-10
1	Tensile strength ≥		Mpa	13. 5
2	Fracture elongation green ≥		%	350
3	Impact embrittlement performance(-76℃)≤		N/A	15/ 30
4	135℃ , 168h Air thermal aging	Rate of change of tensile strength≤	%	±20
4	135℃ , 168h Air thermal aging	Rate of change in elongation at break≤	%	±20
5	Thermal extension 200℃,0.2MPa, 15min	Thermal extension≤	%	100
5	Thermal extension 200℃,0.2MPa, 15min	Permanent deformation rate after cooling≤	%	5
6	Volume resistivity(1 kV、20℃)≥		Ω·cm	1.0× 1014
7	Dielectric strength≥		MV/ m	25
8	Gel content≥		%	60

Application process reference

It is recommended that the temperature of the extruder body be between 160℃ and 200℃. Neck temperature: 200℃ Head temperature: 210℃ to 215℃.

Crosslinking conditions

Crosslinking conditions	Temperature	Insulation thickness (1mm)
Warm water cross-linking	≥90℃	≥4h
Steam crosslinking	≥90℃	≥6h

Packaging and storage

1.1 The product is packaged in moisture-proof aluminum foil/polyethylene composite film bags. Usually, a net weight of 25kg is packed into one usage unit and transported by single-pallet palletizing. The net weight specifications of single-pallet palletizing include 1000kg, 1250kg, and 1500kg.

It should be stored in a clean, dry and well-ventilated environment, with an appropriate storage temperature ranging from 0℃ to 35℃.

3. The validity period is 6 months when the package is sealed. It is recommended to use it within 24 hours after opening. Beyond the recommended time limit, the quality of use may be affected due to pre-cross-linking.