3M 7620-T Cold Shrink Silicone Rubber Termination Kits QT-III

Category	Polymer , Thermoset , Silicone , Silicone Rubber
Manufacturer	3M
Trade Name
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	3M 7620-T Cold Shrink Silicone Rubber Termination Kits QT-III.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

3M™ Cold Shrink QT-III Silicone Rubber Skirted Termination Kits, 7620-Tand 7690-T Series, contain one-piece, non-skirted, silicone rubber termination, qualified as IEEE Standard 48 Class 1 for indoor weather-exposed applications. The termination assemblies consist of a tubular insulator high dielectric constant (Hi-K) stress control tube, conformable Hi-k stress controlling compound and built-in silicone top seal. The insulator is made of a new dark gray silicone rubber with advanced tracking resistance and hydrophobic properties.Information provided by 3M

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	5.86 MPa	850 psi	Silicone Rubber Insulator; ASTM D412
	10.3 MPa	1490 psi	High-K Stress Control Tube; ASTM D412
100% Modulus	0.000896 GPa	0.130 ksi	Silicone Rubber Insulator; ASTM D412
	0.00110 GPa	0.160 ksi	High-K Stress Control Tube; ASTM D412
300% Modulus	0.00276 GPa	0.400 ksi	Silicone Rubber Insulator; ASTM D412
	0.00345 GPa	0.500 ksi	High-K Stress Control Tube; ASTM D412

Electrical Properties	Metric	English	Comments
Dielectric Constant	3.6 @Frequency 60.0 Hz	3.6 @Frequency 60.0 Hz	Silicone Rubber Insulator, 1000 V, 50% RH; ASTM D150
	22 @Frequency 60.0 Hz	22 @Frequency 60.0 Hz	High-K Stress Control Tube, 1000 V, 50% RH; ASTM D150
	25 @Frequency 60.0 Hz	25 @Frequency 60.0 Hz	High-K Stress Control Compound, 1000 V, 50% RH, 100 mil; ASTM D150
Dielectric Strength	11.8 kV/mm @Thickness 1.91 mm	300 kV/in @Thickness 0.0750 in	Environmental Sealing Compound; ASTM D149
	19.7 kV/mm @Thickness 1.91 mm	500 kV/in @Thickness 0.0750 in	Silicone Rubber Insulator; ASTM D149
Dissipation Factor	0.0030 @Frequency 60.0 Hz	0.0030 @Frequency 60.0 Hz	Silicone Rubber Insulator, 1000 V, 50% RH; ASTM D150
	0.10 @Frequency 60.0 Hz	0.10 @Frequency 60.0 Hz	High-K Stress Control Tube, 1000 V, 50% RH; ASTM D150
	0.90 @Frequency 60.0 Hz	0.90 @Frequency 60.0 Hz	High-K Stress Control Compound, 1000 V, 50% RH; ASTM D150
Track Resistance	18000 sec	18000 sec	3.5 kV; ASTM 2303

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