Product Details

Specifications

6/6kV, 6/10kV, 8.7/10kV, 8.7/15kV, 12/20kV, 18/20kV,18/30kV,21/35kV, 26/35kV cold shrink Termination Kit.

materials of performance

No.	Item	Value		Testing standard
No.	Item	Insulation material	Semi-cond. material	Testing standard
1	Tensile strength MPa	≥6.5	≥6	GB528
2	Elongation at break %	≥600	≥600	GB528
3	Shore hardness A	≤50	≤55	GB531
4	Tearing strength N/mm	≥30	≥30	GB/T530
5	Volume resistivity Ω·cm	≥10¹⁴	≤10³	GB692
6	Dielectric constant(50Hz)	2.8-3.5		GB693
7	Dielectric loss angle tangent	≤0.005		GB693
8	The leakage resistance mark	≥1A3.5		GB6553

products electric performace:

Test items	Standard requirement
Test items	8.7/10 8.7/15kV	12/20kV	18/20(30)kV	26/35kV
Power frequency voltage test 5min	39kV, no flashover and no breakdown	54kV, no flashover and no breakdown	81kV, no flashover and no breakdown	117kV, no flashover and no breakdown
Partial discharge test(room temperature)	15kV, ≤10pC	20kV, ≤10pC	30kV, ≤10pC	45kV, ≤10pC
Impulse voltage test (95-100°C)	95kV	125kV	170kV	200kV
Impulse voltage test (95-100°C)	Heating cable conductor to 95-100°C,each 10 times for positive and negative pole, no flashover and no breakdown
Constant pressure loading cycling voltage test (in air)	23kV	30kV	45kV	65kV
Constant pressure loading cycling voltage test (in air)	Heating cable conductor to 95-100°C, 8h for each cycling include 5h for heating and 3h for cooling. Totally 3 circulation
High temperature partial discharge voltage under room temperature	15kV	20kV	30kV	45kV
	Heating cable conductor to 95-100°C, ≤10pC
Constant pressure loading cycling voltage test (in air)	23kV	30kV	45kV	65kV
	Heating cable conductor to 95-100°C, 8h for each cycling include 5h for heating and 3h for cooling. Totally 60 circulation
	Note: for the cable joint, 30 circulation in water and 30 in air
High temperature partial discharge voltage under room temperature	15kV	20kV	30kV	45kV
	Heating cable conductor to 95-100°C, ≤10pC
Lighting impulse voltage test	95kV	125kV	170kV	200kV
Lighting impulse voltage test	each 10 times for positive and negative pole, no flashover and no breakdown
15min AC voltage withstand test	23kV, no flashover and no breakdown	30kV, no flashover and no breakdown	45kV, no flashover and no breakdown	65kV, no flashover and no breakdown
1min outdoor termination in rain power frequency voltage test	35kV, no flashover and no breakdown	48kV, no flashover and no breakdown	72kV, no flashover and no breakdown	104kV, no flashover and no breakdown
Salt spray test for outdoor termination	11kV, no flashover and no breakdown	15kV, no flashover and no breakdown	22.5kV, no flashover and no breakdown	32.5kV, no flashover and no breakdown
Salt spray test for indoor termination	11kV, no flashover and no breakdown	15kV, no flashover and no breakdown	22.5kV, no flashover and no breakdown	32.5kV, no flashover and no breakdown