Specifications

compound sheath masterbatch
1.reinforced and insulated cable sheath layer
2.anti aging and ultraviolet ray

Introduction of Electric cable sheath

 

Black LDPE granules for cable jacketing compound cable sheath masterbatch

 

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Specification of flame-redardant  PE sheath for Electric Cable
Property	Unit	Specification				Inspection
		HFR-70 1	HFR-70 2	JFR-70 1	JFR-70 2
tensile strength	Mpa	20.2	15	19.8	18.4	GB1040
Elongation at break	%	320	340	290	300	GB1040
Thermal agining 100°C 168h	--	--	--	--	--	--
tensile strength at aging	Mpa	19	14	19.9	17.8	GB1040
Maximum change rate of Tensile Strength	%	-5.9	-5.7	-4	-3.3	--
Elongation ate Break after aging	%	280	320	280	290	GB1040
Maximum change rate of Elongation at break	%	-12.5	-5.9	-3.4	-3.3	--
Weight Loss after Thermal aging	g/cm3	13.6	16.3	11.4	126	--
Thermal deformation	%	44	55	36	41	--
Brittle point of Low temperature impact	°C	(-)20pass	(-)30pass	(-)15pass	(-)20pass	GB5470
Thermal stable time at 20°C	min	75	80	80	80	--
Volume resistivity at 20°C	Ω.m	1.1*1011	1.1*109	3.0*1012	2.2*1011	GB1410
Volume resistivity at working time of 70°C	Ω.m	--	--	2.7*109	1.2*109	GB1410
Dielectronic strength	mv/m	24	25	26	27	GB1408
Oxygen index	g/cm3	31	31	31	31	GB2406