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.

1. Scope

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.

Keywords

performance index; Pp′; Ppk′; producer's process performance: Ppk′ index; Producer's process performance index (Pp′); Performance--rubber materials/applications;

ICS Code

ICS Number Code 83.060 (Rubber)

Citing ASTM Standards

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