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3M SJ-3A Cold Shrink Jacket Kits

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™ SJ series Cold Shrink™ Splice Jacket Kits are a series of open ended, tubular, rubber sleeves that combined with Scotch™ 2228 Rubber Mastic Tape provide a sealed jacket over cable splice installed on Jacketed Concentric Neutral (JCN) and other types of jacketed power cable. The Scotch™ 2228 Rubber Mastic Tape provides for an assured sealing interface between the cable jacket and the Cold Shrink™ Jacket tube. It is also used to seal around a cable ground conductor. The Cold Shrink™ Jacket tube is provided in an expanded state, mounted on two inner supporting plastic cores. As supplied in this prestretched condition, the tube is ready for field installation. The jacketing tube is made of EPDM rubber which contains no chlorides or sulfurs. Three kit sizes cover an application range of 0.95” (24 mm) to 4.0” (101.6 mm).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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