本文件规定了试样的制备方法以及测定PS模塑和挤压材料性能所用的试验方法。它给出了处理试验材料和在成型前调节试验材料和试验前调节试样的要求。本文件规定了制备试样的程序和条件，以及制备试样所用材料性能的测量程序。列出了适合和必要的聚苯乙烯模塑和挤出材料特性和试验方法。性能选自ISO 10350-1中的一般试验方法。本文件还包括广泛用于或对这些模塑和挤压材料具有特殊意义的其他试验方法，以及ISO 24022-1中规定的指定性能。

This document specifies the methods of preparation of test specimens and the test methods to be used in determining the properties of PS moulding and extrusion materials. It gives requirements for handling test material and for conditioning both the test material before moulding and the specimens before testing. This document specifies the procedures and conditions for the preparation of test specimens and procedures for measuring properties of the materials from which these specimens are made. It lists the properties and test methods which are suitable and necessary to characterize PS moulding and extrusion materials. The properties have been selected from the general test methods in ISO 10350-1. Other test methods in wide use for or of particular significance to these moulding and extrusion materials are also included in this document, as are the designatory properties specified in ISO 24022-1.