Black PE insulation compound

1.Black PE 2.Good plasticization 3.Uniform color 4.No significant impurities 5.Excellent product quality

Black polyethylene cable material is a polythylene-based material,adding various additives,such as carbon black,antioxidants,by mixing,plasticizing made of the black PE jacket compound.

1.USE

TYPE	CODE	PRODUCT NAME	APPLICATION
INSULATION	NDJ	Black weather resistant LDPE inslating compound	Insulation of overhead cables or other similar occasions which working voltage less than 1KV at the maximum operating temperature of 70°C.
	NLDJ	Black weather resistant LLDPE insulatng compound
	NMJ	Black weather resistant MDPE insulating compound	Insulation of overhead cables or other similar occasions which working voltage less than 10KV at the maximum operating temperature of 80°C.
	NGJ	Black weather resistant HDPE insulating compound

2.PERFORMANCE INDICATOR

NO.	INDICATOR		NDJ	NLDJ	NGJ	NMJ
1	Melt flow rate  g/10min		≤ 0.4	≤ 1.0	≤ 0.4	≤ 1.5
2	Density  g/cm3		≤0.940	≤0.940	0.955-0.978	0.940-0.955
3	Tensile strength  MPa		≥13.0	≥14.0	≥20.0	≥17.0
4	Tensile strength at yield  MPa		——	——	≥16.0	——
5	Strain at break %		≥500	≥600	≥650	≥600
6	Impact brittleness temperature °C		≤-76	≤-76	≤-76	≤-76
7	Resistance to enviromental stress cracking F50 h		≥96	≥500	≥500	≥500
8	Vicat softening point  °C		——	——	≥110	≥110
9	Aging in air circumstance 100°C±2°C 240h	Tensile strength MPa	≥12.0	≥13.0	≥20.0	≥16.0
		Elongation at break %	≥400	≥500	≥650	≥500
10	Low temperature elongation %		——	——	≥175	——
11	Artificial weathering	Aging time 0-1008h	——	——	——	——
		Change of tensile properties  %	±25	±25	±25	±25
		Change of elongation  %	±25	±25	±25	±25
		Aging time 504-1008h	——	——	——	——
		Change of tensile properties  %	±15	±15	±15	±15
		Change of elongation  %	±15	±15	±15	±15
12	Resistance to heat stress cracking F50 h		——	——	≥96	——
13	Dielectric strength  MV/m		≥25	≥25	≥35	≥35
14	Volume resistivity Ω.m		≥1.0x1014	≥1.0x1014	≥1.0x1014	≥1.0x1014
15	Dielectric constant		——	——	≤2.45	≤2.45
16	Dielectric loss factor		——	——	≤0.001	≤0.001

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Black PE insulation compound