Документы

ASTM International

Standard Practice for Use of a Melt Index Strand for Determining Density of Polyethylene
 N D2839

Annotation

This practice covers the preparation of a sample for polyethylene density determination in accordance with Test Method D1505. The sample consists of a strand produced by extrusion of the polyethylene in accordance with Test Method D1238, Condition 190/2.16 (Melt Index).

The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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.

NOTE 1—There is no known ISO equivalent to this standard.

NOTE 2—The precision data on densities measured using this sample preparation practice is listed in Test Method D1505.

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

Автоматический перевод:

Утвержденный технологический процесс для использования расплавить берега индекса для определения плотности полиэтилена

Эта практика покрывает подготовку образца для определения плотности полиэтилена в соответствии с Методом испытаний D1505. Образец состоит из скрутки, произведенной экструзией полиэтилена в соответствии с Методом испытаний D1238, Условие 190/2.16 (индекс Плавки).