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ASTM D469 1989 Edition, September 29, 1989
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Standard Specification for Natural Rubber Heat-Resisting Insulation for Wire and Cable, 75 Degrees C Operation
Additional Comments: W/D NO S/S
Page Count:2
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1. Scope

1.1 This specification covers a crosslinked rubber insulating compound for electrical wires and cables. The polymer shall consist substantially of natural rubber.

1.2 This type of insulation is suitable for continuous operation at conductor temperatures up to 75°C and operating voltages not exceeding 2000 V. This insulation has low-temperature limitations, and the manufacturer should be consulted for specific recommendations for installation.

1.3 The values stated in parentheses are for information only.