NBS Voluntary Product StandardU.S. Department of Commerce, National Bureau of Standards, 1972 |
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Page 2
Material - The tubing shall be made of polytetrafluoro- ethylene ( PTFE ) resin conforming to the requirements of Type III resin as described in the American Society for Testing and Materials ( ASTM ) D 1457-69 , Standard Specification ...
Material - The tubing shall be made of polytetrafluoro- ethylene ( PTFE ) resin conforming to the requirements of Type III resin as described in the American Society for Testing and Materials ( ASTM ) D 1457-69 , Standard Specification ...
Page 4
Test conditions - The test specimens shall be conditioned and tested in accordance with procedure A of ASTM D 618-61 , Stand- ard Methods of Conditioning Plastics and Electrical Insulating Materials for Testing.2 See footnote 1 , page 2 ...
Test conditions - The test specimens shall be conditioned and tested in accordance with procedure A of ASTM D 618-61 , Stand- ard Methods of Conditioning Plastics and Electrical Insulating Materials for Testing.2 See footnote 1 , page 2 ...
Page 5
Inside diameter - The inside diameter shall be determined in accordance with ASTM D 1675-65 , Standard Methods of Test- ing Electrical Grade Polytetrafluoroethylene Tubing.3 4.3.2 . Wall thickness - The wall thickness shall be ...
Inside diameter - The inside diameter shall be determined in accordance with ASTM D 1675-65 , Standard Methods of Test- ing Electrical Grade Polytetrafluoroethylene Tubing.3 4.3.2 . Wall thickness - The wall thickness shall be ...
Page 6
Weight loss - The loss in weight shall be determined in ac- cordance with ASTM D 1675-65 , except that the minimum weight of the test specimens shall be 50 grams , and the specimens shall be heated in a forced - draft oven for 3 hours ...
Weight loss - The loss in weight shall be determined in ac- cordance with ASTM D 1675-65 , except that the minimum weight of the test specimens shall be 50 grams , and the specimens shall be heated in a forced - draft oven for 3 hours ...
Page 7
The percent change of any dimension shall not exceed that specified in table 3 . 4.9 . Dielectric breakdown voltage - The dielectric breakdown voltage shall be determined in accordance with ASTM D 1675-55 .
The percent change of any dimension shall not exceed that specified in table 3 . 4.9 . Dielectric breakdown voltage - The dielectric breakdown voltage shall be determined in accordance with ASTM D 1675-55 .
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acceptance ACCEPTORS accordance with ASTM American applicable Association ASTM D basis Bureau of Standards Calif Center Chemical Chicago Class committee Company complete compliance conditioned conforming consists Corporation Department of Commerce determined determined in accordance Development distributors divisions document electrical Engineering Standards Services established Fluorocarbon Government Grade Inch Inch Inch inclusive indicated individually industry inside diameter Institute intended interested less listed longitudinal mandrel Mass Materials maximum measurement Melting methods of test MICHIGAN Minimum proof pressure minus National Bureau Office of Engineering Ohio percent Philadelphia physical Pittsburgh plastic tubing points Polytetrafluoroethylene PTFE Procedures Processing Prod Programs promotes proposed provides PTFE tubing published purchaser Reference Representing requirements Research Road Rubber specified in table Stand statement strength and elongation technical Technology temperature tensile strength tested in accordance Type UNITED users Voluntary Product Standard wall thicknesses Washington weight