YHJ-30A medium voltage cable insulating rubber compound

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Processing Time:1 Days - 60 Days

Packaging Details: STANDARD EXPORTING PACKAGE

Port: Shanghai / Shenzhen / Qingdao / Ningbo / Other

Payment Terms: L/C , T/T , other

Product Details Company Profile

Insulating rubber material implement the standards of MT818 mining coal cable, obey the regulation of XJ-30A in the GB7594.8-87.the product also meet the rules of ship cable insulated material EPR in the IEC60092-351:2004.
This series of product mainly falls into the catalogue, YHJ-30A (8.7/10kV or below ), YHJ-30Z(3.6/6kV or below), YHJ-30D(0.66/1.14kV or below ) etc.

Performance comparison
　　

Test item			Unit	MT818 GB7594.8-87	YHJ-30A Test value
Before ageing	Tensile strength	Intermediate values	MPa	≥6.5	8.2
Before ageing	Elongation at	Intermediate values	%	≥200	330
Heat ageing test of air box	Aging conditions	Temperature	℃	135±2
	Aging conditions	Time	h	7×24
	Tensile strength	Intermediate values	MPa		9
	Tensile strength	Rate of change	%	≤±30	10
	Elongation at	Intermediate values	%		275
	Elongation at	Rate of change	%	≤±30	-6
Air bomb ageing test	Test conditions	Temperature	℃	127±1
	Test conditions	Time	h	40
	Tensile strength	Rate of change	%	≤±30	15
	Elongation at	Rate of change	%	≤±30	-10
Hot set test	Test conditions	Temperature	℃	250±3
		Load time	min	15
		Mechanical stress	MPa	0.2
	Load elongation		%	≤175	25
	Permanent deformation after cooling		%	≤15	10
Ozone resistance test	Test conditions	Temperature	℃	25±2
		Time	h	24
		Ozone concentration	%	0.025～0.030
	Test results			No cracks	No cracks