Standard Practice for Sampling and Judging Quality of Solid Electrical Insulating Materials
NORMA vydána dne 1.4.2019
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Designation standards: ASTM D3636-19
Publication date standards: 1.4.2019
The number of pages: 51
Approximate weight : 153 g (0.34 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM
This practice covers procedures for obtaining data on the quality of solid electrical insulating materials and for judging whether the materials meet the requirements specified. This practice, however, is not intended to define internal quality control procedures of the producer; rather, it is designed to determine the acceptability of all, or some portion, of a quantity of electrical insulating materials available for inspection by the user of the material. In addition, this practice is intended for use in conjunction with existing material specifications including property characteristic limits, acceptable quality level, standard test methods, and sampling instructions. Data shall be obtained by taking lot samples randomly. Sampling plans are available in single, double, and multiple types. Acceptable quality levels for each critical, major, and minor property as well as inspection levels shall conform to the requirements specified. Acceptance of lot quality shall be determined based on the comparison of test results and other information obtained using the sampling plans with the requirements set forth in the material specification (nonconformity) and on whether the lot meets the requirements specified.
Keywords:
acceptable quality level (AQL), critical property, electrical insulation, inspection, major property, minor property, nonconformity, nonconforming, quality judgment, sampling, test measurement, test result,, ICS Number Code 29.035.01 (Insulating materials in general)