ASTM-D5406 › Historical Revision Information
Standard Practice for Rubber-Calculation of Producer's Process Performance Indexes
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1.1 This practice provides a calculation procedure and a format for reporting the process performance of a manufacturing operation for a rubber or rubber product.
1.2 This practice is specifically designed to be used for technically significant properties of the final product.
Significance and Use
This practice is used to evaluate the conformance of a production process to specifications when (1) special causes of variation may be present, and (2) the process may not be in a state of statistical control. This evaluation may also be used to compare different manufacturing operations for conformance to specifications.
performance index; Pp′; Ppk′; producer's process performance: P
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1993 R11 EDITION
July 15, 2011