EN
SR EN ISO 1183-2:2019
Materiale plastice. Metode de determinare a densității materialelor plastice nealveolare. Partea 2: Metoda coloanei cu gradient de densitate
This document specifies a gradient column method for the determination of the density of non-cellular moulded or extruded plastics or pellets in void-free form. Density gradient columns are columns containing a mixture of two liquids, the density in the column increasing uniformly from top to bottom. NOTE Density is frequently used to follow variations in physical structure or composition of plastic materials. Density can also be useful in assessing the uniformity of samples or specimens. The density of plastic materials can depend upon the choice of specimen preparation method. When this is the case, precise details of the specimen preparation method are intended to be included in the appropriate material specification.
Status :
In vigoare
Data aprobării : 30.09.2019
Număr de pagini : 20
ICS : 83.080.01 Materiale plastice, în general
Comitet tehnic : 108 - Materiale plastice şi cauciuc, metode de analiză şi produse
- Inlocuieste SR EN ISO 1183-2:2005