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Scope

1.1 This specification covers a track-resistant black crosslinked polyethylene insulation, the base polymer which consists substantially of polyethylene or its copolymers. This insulation shall be carbon black pigmented.

1.2 This type of insulation is considered suitable for use on wire or cable that will be used for continuous operation at conductor temperatures up to 90^oC.

1.3 This insulation is suitable for use on wire or in cable used for power transmission in overhead spaced-line service, installed at temperatures above -25^o and exposed to sunlight and other atmospheric environments between -55 and +90^oC.

1.4 In many instances, the insulation cannot be tested unless it has been formed around a conductor. Therefore, tests are done on insulated wire in this standard solely to determine the relevant property of the insulation and not to test the conductor or completed cable.

1.5 Whenever two sets of values are presented, in different units, the values in the first set are the standard, while those in parentheses are for information only.

Keywords

ac test; cold bend; crosslinked polyethylene; dc test; elongation; environmental cracking; heat distortion. surface resistivity; tensile strength; track-resistant; u-bend discharge; ICS Number Code 29.035.20 (Plastic and rubber insulating materials)

To find similar documents by ASTM Volume:

10.02 (Electrical Insulation (II): D2518 - latest)

To find similar documents by classification:

29.035.20 (Plastics and rubber insulating materials Including adhesive tapes)

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