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ISO 1265:1979

Plastics — Polyvinyl chloride resins — Determination of number of impurities and foreign particles

Standard Details

Specification of a visual method of determining the number of impurities and foreign particles in polyvinylchloride resin. About 200 g of resin are flattened between a rigid white plate and a glass sheet containing a grid. The impurities and foreign particles visible in 25 squares (= 225 cm ) and having a diameter equal or greater than 0,250 mm are counted. Expression of the result by extrapolation as the number of specks per 100 squares of the grid.

General Information

Status : WITHDRAWN
Standard Type: Main
Document No: ISO 1265:1979
Document Year: 1979
Pages: 3
Edition: 1

Life Cycle

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WITHDRAWN
ISO 1265:1979
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