GB/T 2546.2-2022: Plastics - Polypropylene(PP) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties

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Scope

This document specifies the methods and conditions for the specimen preparation and
properties determination of polypropylene (PP) molding and extrusion materials. This
document also specifies the requirements for the pre-treatment of test materials and the
conditioning of specimens before testing.
This document lists properties and test methods suitable and necessary for characterizing
polypropylene (PP) molding and extrusion materials. These properties are selected from the
general test methods of GB/T 19467.1. This document also lists other test methods extensively
applied or of special significance for molding and extrusion materials, as well as the
determination methods of the properties designation in Part 1.
In order to ensure that the test results are reproducible and repeatable, it is necessary to use the
methods of specimen preparation and conditioning specified in this document, as well as the
specified specimen sizes and test methods. The test data obtained using specimens prepared
under different conditions or using specimens of different sizes may not be consistent.

Basic Data

Standard ID	GB/T 2546.2-2022 (GB/T2546.2-2022)
Description (Translated English)	Plastics - Polypropylene(PP) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G31
Word Count Estimation	12,180
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration