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Semi Conductive Tubes - INSULTUBE semi conductive

Heat Shrink Tubes,Semi Conductive Tubes,cable joints

Heat Shrink Semi-conductive Tubes are used in High Voltage plastic and paper insulated cable Joints up to 36 kV to provide insulation screen on the build-up insulation over connectors. The semi-conductive Tubings are made from thermally stabilised cross linked semi-conductive polymeric material.

SELECTION CHART

Code	D Min. (mm)	d Max. (mm)	T±10% (mm)
GCT 30/10	30	10	2.5
GCT 40/12	40	12	2.5
GCT 50/16	50	16	2.5
GCT 75/22	75	22	2.5
GCT 90/26	90	26	2.5
GCT 115/34	115	34	3.0
GCT 140/42	140	42	3.0
GCT 160/50	160	50	3.0
GCT 180/55	180	55	3.0

TECHNICAL SPECIFICATION

PROPERTIES	VALUE	STANDARD
Physical
Tensile Strength	12 N/mm²	ASTM D638
Ultimate Elongation	300%	ASTM D638
Longitudinal Change	-10% (Max.)	ASTM D2671
Hardness	45 ± 3 Shore	ASTM D2240
Water Absorption	1% (max.)	ASTM D570
Thermal
Tensile Strength	10 N/mm²	ASTM D 638
Ultimate Elongation	300 %	ASTM D 638
Electrical
Volume Resistivity	1 x 10⁷ Ohm.cm(max..)	ASTM D257