ASTM International

Standard Method for Pinhole Determination in Aluminum and Aluminum Alloy Plain Foil by Means of a Light Table
 N B926

Annotation

This method covers the identification and counting of pinholes, including roll holes, in plain foil using a light table, and inspector with normal 20/20 or corrected 20/20 vision, and a darkened inspection area.

The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

This method may involve hazardous materials, operations, and equipment. 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 and health practices and determine the applicability of regulatory limitations prior to use.

*A Summary of Changes section appears at the end of this standard.

Автоматический перевод:

Стандартный метод для определения крошечного отверстия в фольге равнины алюминиевого и алюминиевого сплава посредством легкого стола

Этот метод касается идентификации и подсчета крошечных отверстий, включая дыры рулона, в простой фольге с помощью легкой таблицы и инспектора с нормальным 20/20 или исправленным 20/20 видением и затемненной инспекционной областью.