NBS Voluntary Product StandardU.S. Department of Commerce, National Bureau of Standards, 1972 |
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Page 1
Class B - flexible tubing - processed for maximum flexi- bility and fatigue resistance . Class C - stress - relieved tubing - processed for minimum permeability . 3. REQUIREMENTS 3.1 . General Products represented as complying with 1 ...
Class B - flexible tubing - processed for maximum flexi- bility and fatigue resistance . Class C - stress - relieved tubing - processed for minimum permeability . 3. REQUIREMENTS 3.1 . General Products represented as complying with 1 ...
Page 2
... in the American Society for Testing and Materials ( ASTM ) D 1457-69 , Standard Specification for TFE- Fluorocarbon Resin Molding and Extrusion Materials , except that a maximum of 2 percent by weight of additive is permissible .
... in the American Society for Testing and Materials ( ASTM ) D 1457-69 , Standard Specification for TFE- Fluorocarbon Resin Molding and Extrusion Materials , except that a maximum of 2 percent by weight of additive is permissible .
Page 3
Dimensions and tolerances for Grade B PTFE plastic tubing Inside diameter Wall thickness Type I Type II Descriptive Tolerance Tolerance size ( plus or ( plus or Minimum Maximum Nominal minus ) Nominal minus ) Inch Inch Inch Inch Inch ...
Dimensions and tolerances for Grade B PTFE plastic tubing Inside diameter Wall thickness Type I Type II Descriptive Tolerance Tolerance size ( plus or ( plus or Minimum Maximum Nominal minus ) Nominal minus ) Inch Inch Inch Inch Inch ...
Page 6
... and the specimens shall be heated in a forced - draft oven for 3 hours at 300 ± 5 ° C ( 572 + 9 ° F ) . 4.8 . Dimensional stability - Cut a 10 - inch specimen of tubing and determine the inner diameter and maximum and minimum wall ...
... and the specimens shall be heated in a forced - draft oven for 3 hours at 300 ± 5 ° C ( 572 + 9 ° F ) . 4.8 . Dimensional stability - Cut a 10 - inch specimen of tubing and determine the inner diameter and maximum and minimum wall ...
Page 7
Determine the inner diameter and maximum and minimum wall thicknesses at each end in accordance with 4.3.1 and 4.3.2 . The percent change of any dimension shall not exceed that specified in table 3 . 4.9 . Dielectric breakdown voltage ...
Determine the inner diameter and maximum and minimum wall thicknesses at each end in accordance with 4.3.1 and 4.3.2 . The percent change of any dimension shall not exceed that specified in table 3 . 4.9 . Dielectric breakdown voltage ...
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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
Bibliographic information
| Title | NBS Voluntary Product Standard |
| Author | United States. National Bureau of Standards |
| Contributor | United States. Dept. of Commerce |
| Publisher | U.S. Department of Commerce, National Bureau of Standards, 1972 |
| Original from | the University of Michigan |
| Digitized | 18 Apr 2006 |
| Export Citation | BiBTeX EndNote RefMan |