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Last Updated: Oct 10, 2013
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ASTM F2168-02(2008)
Standard Specification for Packing Material, Graphitic, Corrugated Ribbon or Textured Tape, and Die-Formed Ring
Standard Specification for Packing Material, Graphitic, Corrugated Ribbon or Textured Tape, and Die-Formed Ring
F2168-02R08
ASTM|F2168-02R08|en-US
Standard Specification for Packing Material, Graphitic, Corrugated Ribbon or Textured Tape, and Die-Formed Ring
Standard
F2168 Standard Specification for Packing Material, Graphitic, Corrugated Ribbon or Textured Tape, and Die-Formed Ring>
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BOS Vol. 01.07 Committee F25
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Abstract
This specification covers various types, classes, and grades of flexible graphite material in which valve media temperatures are limited to a maximum temperature. The material shall be classified into two types, classes, and grades. Type I is a corrugated ribbon or textured tape, Type II is die-formed ring. Class 1 is for use where detrimental material content of the packing need not be controlled beyond normal manufacturing limit and Class 2 is for use where detrimental material content must be controlled to the limits specified herein. Grade A is treated with corrosion inhibitor and Grade B not treated with corrosion inhibitor. Different tests and measurements shall be conducted in order to determine the following properties: size, bulk density, ash content, and graphite purity.
Scope
1.1 Scope—This specification covers various types, classes, and grades of flexible graphite material in which valve media temperatures are limited to a maximum of 1050°F (966°C). Where this specification is invoked as ASTM F 2168, Sections 1-18 apply. Where this specification is invoked as ASTM/DoD F 2168, Sections 1-18 and the Supplementary Requirements are applicable.
1.2 The values stated in SI units are to be regarded as standard.