NBS Voluntary Product StandardU.S. Department of Commerce, National Bureau of Standards, 1972 |
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Dimensional stability Dielectric breakdown voltage Low temperature flexibility Minimum proof pressure 3.12 . Color stability 4. Inspection and Test Procedures 4.1 . General 4.2 . Test conditions 4.3 . Dimensions and tolerances 4.3.1 .
Dimensional stability Dielectric breakdown voltage Low temperature flexibility Minimum proof pressure 3.12 . Color stability 4. Inspection and Test Procedures 4.1 . General 4.2 . Test conditions 4.3 . Dimensions and tolerances 4.3.1 .
Page 4
Low temperature flexibility - The tubing shall remain flexi- ble and free from cracks when tested in accordance with 4.10 . 3.11 . Minimum proof pressure ( applicable only to Grade B tub- ing ) —The tubing shall have a minimum proof ...
Low temperature flexibility - The tubing shall remain flexi- ble and free from cracks when tested in accordance with 4.10 . 3.11 . Minimum proof pressure ( applicable only to Grade B tub- ing ) —The tubing shall have a minimum proof ...
Page 7
Low temperature flexibility - Three specimens , each 12 inches long , shall be placed in a circulating - air oven at 200 ± 2 ° C ( 3924 ° F ) for 5 hours , cooled to room temperature , and then conditioned at minus 55 ± 2 ° C ( -674 ° F ) ...
Low temperature flexibility - Three specimens , each 12 inches long , shall be placed in a circulating - air oven at 200 ± 2 ° C ( 3924 ° F ) for 5 hours , cooled to room temperature , and then conditioned at minus 55 ± 2 ° C ( -674 ° F ) ...
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