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3M 8428-18 Cold Shrink Connector Insulators

Category Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE)
Manufacturer 3M
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
3M™ Cold Shrink Connector Insulators are open-ended, tubular, rubber sleeves which are factory expanded and assembled onto a removable core. The core is removed after the tube has been positioned for installation over an inline connection, terminal lug, etc, allowing the tube to shrink and form a water-resistant seal. The insulating tube is made of EPDM rubber which contains no chlorides or sulfur. Six diameter sizes will cover a range of cable up to 1000 volts for copper and aluminum conductors from 10 AWG through 1000 kcmil.Information provided by 3M
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 9.65 MPa
1400 psi
ASTM D412-75
Elongation at Break 750 %
750 %
ASTM D412-75
300% Modulus 0.00331 GPa
0.480 ksi
ASTM D412-75
Tear Strength 26.3 kN/m
150 pli
Die C; ASTM D624C-73
Electrical Properties Metric English Comments
Dielectric Strength 11.1 kV/mm
282 kV/in
7 days @ 90°C in water; ASTM D149-75
14.4 kV/mm

@Thickness 1.78 mm
365 kV/in

@Thickness 0.0700 in
Original; ASTM D149-75
Processing Properties Metric English Comments
Moisture Content 1.8 %
1.8 %
7 days @ 90°C in water
Descriptive Properties Value Comments
Appearance Black
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