Rubber-sheath Cable Insulated Compound

The product execute the standards of GB/T5013-2008 nominal voltage 450/750V (or below), meet the requirements IE4 of The ethylene-propylene rubber mixture or equivalent to the insulating cable material. Performance…

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Product Details

The product execute the standards of GB/T5013-2008 nominal voltage 450/750V (or below), meet the requirements IE₄ of The ethylene-propylene rubber mixture or equivalent to the insulating cable material.

Performance comparison

Test item			Unit	GB/T5013-2008（IE₄）	Test value
Before ageing	Tensile strength	Intermediate values	MPa	≥5.0	6.2
Before ageing	Elongation at	Intermediate values	%	≥200	320
Heat ageing test of air box	Aging conditions	Temperature	℃	100±2
	Aging conditions	Time	h	7×24
	Tensile strength	Intermediate values	MPa	≥4.2	7.0
	Tensile strength	Rate of change	%	≤±25	13
	Elongation at	Intermediate values	%	≥200	285
	Elongation at	Rate of change	%	≤±25	-11
Air bomb ageing test	Test conditions	Temperature	℃	127±2
	Test conditions	Time	h	40
	Tensile strength	Rate of change	%	≤±30	17
	Elongation at	Rate of change	%	≤±30	-9
Hot set test	Test conditions	Temperature	℃	200±3
		Load time	min	15
		Mechanical stress	MPa	0.2
	Load elongation		%	≤100	35
	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

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