3M 8428-6 Cold Shrink Connector Insulators

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3M 8428-6 Cold Shrink Connector Insulators
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
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
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Physical Properties	Original Value	Comments

Water Absorption	1.8 %	7 days @ 90°C

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	1400 psi	ASTM D412-75
Elongation at Break	750 %	ASTM D412-75
300% Modulus	0.480 ksi @Strain 300 %	ASTM D412-75
Tear Strength	26.8 kg(f)/cm	Die C; ASTM D624C-73

Electrical Properties	Original Value	Comments
Dielectric Strength	282 kV/in	7 days @ 90°C in water; ASTM D149-75
	365 kV/in @Thickness 1.78 mm	Original; ASTM D149-75

Descriptive Properties
Appearance	Black

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PMM35136 / 169883

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