The product perform standards of GB/T17556-2010,obey the regulation of XH-21A(operation temperature ) in the GB7594.9-1987,  meet the standards of test flame-retardant property, can satisfy general cold resistance demand. Can be matched with the insulating rubber at operative temperature 90℃.
    According to the regulation, the color of sheath should be black and gray, and also can be made as custom requested.

 

Performance comparison 

Test item			Unit	GB7594.9-87	Test value
Before ageing	Tensile strength	Intermediate values	MPa	≥10.0	12.9
	Elongation at	Intermediate values	%	≥300	428
Heat ageing test of air box	Aging conditions	Temperature	℃	100±2
		Time	h	7×24
	Tensile strength	Rate of change	%	≤±30	-6
	Elongation at	Intermediate values	%	≥250	465
		Rate of change	%	≤±40	9
Hot set test	Test conditions	Test temperature	℃	200±3
		Load time	min	15
		Mechanical stress	MPa	0.2
	Load elongation		%	≤175	40
	Permanent deformation after cooling		%	≤15	7
Oil test	Test conditions	Oil temperature	℃	100±2
		Dipping oil	h	24
	Tensile strength	Rate of change	%	≤±40	-7
	Elongation at	Rate of change	%	≤±40	-4
Ozone resistance test	Test conditions	Test temperature	℃	25±2
		Duration	h	24
		Ozone concentration	%	0.025～0.030
	Tensile test		—	No cracking	No cracking

 

 

 

Panjin Yihe Plastic&Rubber Co., Ltd

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