中国·太阳成集团(tyc33455cc)有限公司-首页欢迎您

Dc cross-linked polyethylene insulation material for wires and cables DC-YJ-100

This product is mainly made of low-density polyethylene resin through mixing, plasticizing and granulation. It features excellent electrical performance, physical properties and process fluidity. By suppressing the generation of space charges, it increases the service life of cables and is mainly applied to DC cross-linked polyethylene insulated cables of corresponding voltage levels.

Contact Download

Product details

Performance indicators (typical values)： enforce standards：TICW 7.1-2012 GB/T 31489.1-2015

Serial number	Test project			Unit	Indicator	Typical value
1	Tensile strength			MPa	≥16	20
2	Elongation at break			%	≥420	500
3	Air thermal aging	Test conditions			135℃×168h
		Rate of change of tensile strength		%	±25	±15
		Rate of change in elongation at break		%	±25	±15
4	（-76℃）Impact embrittlement performance			N/A	≤15/30	0/30
5	Thermal extension 200℃,0.2MPa,15min	Elongation under load		%	≤80	60
6	Thermal extension 200℃,0.2MPa,15min	Permanent deformation rate after cooling		%	≤5	2.5
7	Gel content			%	≥80	85
8	Volume resistivity,23℃			Ω.cm	≥1.0×1013	1.0×1014
9	Short-term breakdown strength (smaller plate electrode diameter 25mm, voltage rise rate 500v/s)		Power frequency breakdown strength	MV/m	≥30	33
9			Dc breakdown strength	MV/m	≥100	110
10	Dielectric constant			/	≤2.5	2.3
11	Water absorption test（85±2℃，336h）			Mg/cm2	≤1	0.8
12	Heat shrinkage test（130±2℃，6 h）			%	≤4.5	4

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.