NBS Voluntary Product StandardU.S. Department of Commerce, National Bureau of Standards, 1972 |
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Page 2
... in the American Society for Testing and Materials ( ASTM ) D 1457-69 , Standard Specification for TFEFluorocarbon 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 TFEFluorocarbon Resin Molding and Extrusion Materials , except that a maximum of 2 percent by weight of additive is permissible .
Page 3
Dimensional stability - The tubing shall have a maximum percent change in any dimension as specified in table 3 when tested in accordance with 4.8 . 3.9 . Dielectric breakdown voltage ( applicable only to Grade 3.
Dimensional stability - The tubing shall have a maximum percent change in any dimension as specified in table 3 when tested in accordance with 4.8 . 3.9 . Dielectric breakdown voltage ( applicable only to Grade 3.
Page 7
on a steel mandrel having a diameter from 3 to 10 percent less than the inside diameter of the specimen . Mark and number a point at each end of the specimen on a line parallel to the axis of the tubing . Mark three more points at each ...
on a steel mandrel having a diameter from 3 to 10 percent less than the inside diameter of the specimen . Mark and number a point at each end of the specimen on a line parallel to the axis of the tubing . Mark three more points at each ...
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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 dielectric breakdown voltage distributors divisions document electrical Engineering Standards Services established Fluorocarbon Government Grade gravity Inch Inch inclusive indicated 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 Programs promotes proposed provides PTFE tubing published purchaser Representing requirements Research Road specified in table specimen Stand Standard PS 52-71 statement strength and elongation Technology temperature tensile strength tested in accordance transverse Type UNITED users Voluntary Product Standard wall thicknesses Washington weight