semi conductive water proof tape

semi-conductive water-proof tape
application
semi-conductive water-proof tape is used for the semi-conductive water-proof layer of the water -proof medium,high and extra high voltage cables,also the control,communication,signaling and instruments cable swith shielding requirement.
specification and technical parameter is as follows:
	item	omen30	omen40	omen50	omen60
	thickness(mm)	0.30±0.03	0.40±0.03	0.50±0.03	0.6±0.03
	unit weight(g/m2)	120±10	150±10	170±10	190±20
	tensile strength(N/cm)	≥30	≥40	≥50	≥60
	elongation(%)	≥12	≥12	≥12	≥12
	expansion velocity (mm/1st min)	≥8	≥10	≥10	≥8
	expansion height(mm/3min)	≥12	≥15	≥16	≥12
	surface resistance(Ω)	<1500	<1500	<1500	<1500
	volume resistance(Ω.cm)	<1×106	<1×106	<1×106	<1×106
	instant stability(℃)	230	230	230	230
	long-term stability(℃)	90	90	90	90
	water percentage(%)	9	9	9	9
feature
1,it has characteristic of strong moisture absorption,big expansion rate and quick expansion velocity.
2,small resistance can make cable has semi-conductivity and weaken the electrical field strength effectively.
3,high mechanical strength makes it easy to be wrapped and longitudinal wrapped for kinds of cables.
4,it is heat-resistant and can bear high instant temperature.cable with this product can keep stable performance at instant high temperature.
storage
it should be stored in dry house,kept away from source of fire and not to be exposed to the sunshine.the shelf life is 6 months after the manufacturing date.also it should avoid moisture and mechanical damage during storage and transportation.

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Category: cable insulation material
Related Category: cable insulation material