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Peroxide cross-linked polyethylene insulation material for 10kV and below cables YJ-10

This product is mainly made of low-density polyethylene resin through mixing, plasticizing and granulation. It is mainly suitable for cross-linked polyethylene cables of 10kV and below.

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Product details

Performance indicators (typical values)： enforce standards：JB/T10437-2004 JB/T10260-2014

Serial number	Experimental project		Unit	YJ-10
1	Tensile strength≥		Mpa	13. 5
2	Elongation at break≥		%	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≤	%	80
5	Thermal extension 200℃,0.2MPa, 15min	Permanent deformation rate after cooling≤	%	5
6	50Hz 、20℃	Relative dielectric constant≤		2.35
6	50Hz 、20℃	Dielectric loss factor≤		0.001
7	Volume resistivity(1kV 、20℃)≥		Ω .cm	1.0 × 1014
8	Dielectric strength≥		MV/ m	25
9	Density		g/cm³	0.921±0.003
10	Gel content≥		%	80
11	Impurity content of (1 kg sample)		mm	/

Application process reference

Region1	Region2	Region3	Region4	Region5	Region6	Region7	Region8	Neck of the machine	Nose of the machine
85℃	105℃	108℃	110℃	112℃	113℃	113℃	113℃	115℃	114℃

Packaging and storage

The product is packed in a waterproof and dustproof PE inner bag, with a hard corrugated carton for shaping and protection, and an additional waterproof film cover. The standard net weight of each box is 500kg or 600kg.

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

3. The stacking height should not exceed two layers, and the upper and lower layers should be neatly stacked. It is not advisable to stack them in a staggered manner.

The validity period is 6 months under suitable storage conditions.