EPDM insulating rubber compound

1.RoHS environmental protection requirements 2.Excellent product quality

EPDM insulating rubber compound is based on EPDM rubber,is mixed by various additives,such as softener,accelerator,active agents,antioxidants,reinforcing agents,curing agents and so on.Obtaining the compound by mixing,filtering and tableting.

1.APPLICATION

NO.	TYPE	PRODUCT NAME	Allowable operating temperature of the conductive core	APPLICATION
1	XJ-VDE	VDE special rubber insulating compound	70°C	Used for VDE rubber cables

2.INDICATOR

NO.	ITEM		UNIT	XJ-VDE
1	Volume resistance rate at 20°C MIN		Ω.m	1x1012
2	Dielectric strength MIN		MV/m	20
3	Mechanical properties before aging	Tensile strength MIN	MPa	6
		Tensile strain at break MIN	%	250
4	Properties after aging in air oven	Temperature	°C	100
		Time	h	168
		Tensile strength MIN	MPa	4.2
		Rate of change	%	±25
		Elongation at break MIN	%	200
		Rate of change	%	±25
5	Properties after aging in air circumstance	Temperature	°C	127
		Time	h	40
		Tensile strength MIN	MPa	——
		Rate of change	%	±30
		Elongation at break MIN	%	——
		Rate of change	%	±30
6	Hot set elongation	Temperature	°C	200
		Load time	Min	15
		Mechanical stress	N/cm2	20
		Elongation under load MAX	%	100
		Permanent deformation MAX	%	25
7	Ozone resistance	Ozone concentration	%	0.025
		Time	h	30
		Surface change	——	No crake
8	Mooney viscosity MAX (1+4/100)		ML	60

NOTE:1.The above models are in line with RoHS environmental protection requirenment,the XJ-VDE comply with REACH and RoHS requirements.

           2.The sulfide way of the above models is steam continuous vulcanization,also we can provide radiation cross-linking to customer requirements.

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EPDM insulating rubber compound