1.1 This guide is a compilation of terms used to describe defects of polymeric pellets. Terms that are generally understood or defined adequately in readily available sources are not included.
1.2 Not every term is applicable to every type of pellet. Terms which apply to transparent pellets, for example, do not always apply to translucent or opaque pellets.
1.3 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. NOTE 1—There is no known ISO equivalent to this guide.
1.4 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.
ASTM D7711-23 Referenced Document
ASTM D6290 Standard Test Method for Color Determination of Plastic Pellets
ASTM D883 Standard Terminology Relating to Plastics*, 2024-02-01 Update
ASTM D7711-23 history
2023ASTM D7711-23 Standard Guide for Description of Polymer Pellet Defects
2011ASTM D7711-11(2015) Standard Guide for Description of Polymer Pellet Defects
2011ASTM D7711-11e1 Standard Guide for Description of Polymer Pellet Defects
2011ASTM D7711-11 Standard Guide for Description of Polymer Pellets Including Defects