Cut Sheet

3M™ Cold Shrink QS-III Inline Splice Kits 15 kV
5415A, 5416A, 5417A, 5417A-WG, 5418A and 5418A-WG
4 of 9 78-8125-9882-5 Rev C
Typical Physical and Electrical Properties
Silicone Rubber (Splice Body – Insulation)
Physical Properties
Test Method Typical Value*
Hardness – Shore A (ASTM D 2240) 50
Elongation (%) (ASTM D 412) 610
Tensile Strength (psi) (ASTM D 412) 1090 (7,5 N/mm
2
)
Modulus @ 100% (psi) (ASTM D 412) 340 (2,3 N/mm
2
)
Permanent Set % (100%, 100°C, 22 hrs) (3M TM 86) 5
Thermal Conductivity (W/m K) (ASTM D 518) 0.24
Electrical Properties
Dielectric Strength (V/mil) (ASTM D 149) 370 (14,6 kV/mm)
Dielectric Strength, Wet (V/mil) (ASTM D 149) 340 (13,4 kV/mm)
Dielectric Constant (ASTM D 150) 3.3
Dielectric Loss (ASTM D 150) 0.005
Volume Resistivity (Ohm-cm) (3M TM 80) 6x10
14
Silicone Rubber (Splice Body – Inner Electrode)
Physical Properties
Test Method Typical Value*
Hardness – Shore A (ASTM D 2240) 43
Elongation (%) (ASTM D 412) 510
Tensile Strength (psi) (ASTM D 412) 880 (6,1 N/mm
2
)
Modulus @ 100% (psi) (ASTM D 412) 200 (1,4 N/mm
2
)
Permanent Set % (100%, 100°C, 22 hrs) (3M TM 86) 4
Electrical Properties
Volume Resistivity (Ohm-cm) (3M TM 80) 50
Silicone Rubber (Splice Body – Semi-Con Shell)
Physical Properties
Test Method Typical Value*
Hardness – Shore A (ASTM D 2240) 43
Elongation (%) (ASTM D 412) 520
Tensile Strength (psi) (ASTM D 412) 890 (6,1 N/mm
2
)
Modulus @ 100% (psi) (ASTM D 412) 230 (1,6 N/mm
2
)
Permanent Set % (100%, 100°C, 22 hrs) (3M TM 86) 5
Electrical Properties
Volume Resistivity (Ohm-cm) (3M TM 80) 150
*All values are averages, based on several determinations and are not intended for specification purpose.