Impact.

Impact. The test shall be performed in accordance with ASTM D 456590a using an impact force of 4 newton-meter (3 pound force-foot) at a temperature of 101 C. The cylinder shall strike the sample at the shield overlap. A crack or split in the jacket constitutes failure.
(6) Jacket thickness. The nominal jacket thickness shall be as specified in the following table. The test method used shall be either the End Sample Method (paragraph (g)(6)(i) of this section) or the Continuous Uniformity Thickness Gauge Method (paragraph (g)(6)(ii) of this section):
(i) End sample method. The jacket shall be capable of meeting the following requirements:
(ii) Continuous uniformity thickness gauge method.
(A) The jacket shall be capable of meeting the following requirements:
(B) Maximum and minimum thickness values. The maximum and minimum thickness values shall be based on the average of each axial section.
(7) The color of the jacket shall be either black or dark grey in conformance with the Munsell Color System specified in ASTM D 1535–89.
(8) There shall be no water or other contaminants in the finished cable which would have a detrimental effect on its performance or its useful life.

Source

7 CFR § 1755.870


Scoping language

None
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