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

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-S Cold Shrink QT-III Silicone Rubber Skirted Termination Kits.pdf
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Material Notes:
3M™ Cold Shrink QT-III Silicone Rubber Skirted Termination Kits, 7620-S, 7680-S and 7690-S Series, contain one-piece, skirted, silicone Rubber Skirted Terminations, qualified as IEEE Standard 48 Class 1 for outdoor weather-exposed applications. The termination assemblies consist of a skirted insulator, high-dielectric constant (High-K) stress control tube, conformable High-K stress controlling compound and built-in environmental top sealing compound. The insulator is made of a dark gray silicone rubber with excellent 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 0.00124 GPa
0.180 ksi
High-K Stress Control Tube; ASTM D412
0.00276 GPa
0.400 ksi
Silicone Rubber Insulator; 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

@Thickness 2.54 mm,
Frequency 60.0 Hz
0.90

@Thickness 0.100 in,
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
Descriptive Properties Value Comments
Appearance Dark Gray
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