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ASTM International - ASTM D6265-17

Standard Practice for Separation of Contaminants in Polymers Using an Extruder Filter Test

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Organization: ASTM International
Publication Date: 1 December 2017
Status: active
Page Count: 4
ICS Code (Manufacturing processes in the rubber and plastics industries): 83.020
significance And Use:

5.1 Problems with extrusion and subsequent processing of the material are caused, in part, by the presence of paper, metal, gels, incompatible polymers, or other extraneous contamination found in... View More

scope:

1.1 This practice covers a means to separate the unmolten particles, gels, and impurities contaminating a polymer sample. The procedure may be used to remove gels and incompatible materials that may cause imperfections in the final extruded product. Under pressure, most gels will break up or deform and pass through a wire mesh filter, however high molecular weight gels may not break up or deform.

1.2 Materials isolated on a wire mesh filter can be identified by spectroscopic or other analytical means.

Note 1: Although not presented as a quantitative method, the procedure presented in this practice may be used to provide quantitative results at the discretion of the user. The user assumes the responsibility to verify the reproducibility of quantitative results. Detection limit depends on the mesh size of the filter screen, but the procedure is generally applicable to the separation of immiscible contaminants present at concentrations greater than 0.1 %.

1.3 The values stated in SI units are to be regarded as standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific hazards statements, see Section 8

Note 2: There is no known ISO equivalent to this standard.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Document History

ASTM D6265-17
December 1, 2017
Standard Practice for Separation of Contaminants in Polymers Using an Extruder Filter Test
1.1 This practice covers a means to separate the unmolten particles, gels, and impurities contaminating a polymer sample. The procedure may be used to remove gels and incompatible materials that may...
October 1, 2015
Standard Practice for Separation of Contaminants in Polymers Using an Extruder Filter Test
1.1 This practice covers a means to separate the unmolten particles, gels, and impurities contaminating a polymer sample. The procedure may be used to remove gels and incompatible materials that may...
September 1, 2009
Standard Practice for Separation of Contaminants in Polymers Using an Extruder Filter Test
1.1 This practice covers a means to separate the unmolten particles, gels, and impurities contaminating a polymer sample. The procedure may be used to remove gels and incompatible materials that may...
July 10, 2003
Standard Practice for Separation of Contaminants in Polymers Using an Extruder Filter Test
1.1 This practice covers a means to separate the unmolten particles, gels, and impurities contaminating a polymer sample. The procedure may be used to remove gels and incompatible materials that may...
May 10, 1998
Standard Practice for Separation of Contaminants in Polymers Using an Extruder Filter Test
1.1 This practice covers a means to separate the unmolten particles, gels, and impurities contaminating a polymer sample. The procedure may be used to remove gels and incompatible materials that may...
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