本文件规定了测定用于混合干橡胶的硫的主要物理和化学性质的试验方法。 这些特性中有几个可以通过一种以上的测试方法来确定，用户可以根据相应条款中提供的测试方法原则的描述来选择最合适的方法。 注:附录a中包含了用作橡胶复合成分的硫的相关性质的典型水平，仅供参考。

This document specifies methods of test for determining the main physical and chemical properties of sulfur used for compounding dry rubber. Several of these properties can be determined by more than one test method and the user can choose the most appropriate method following the description of the test method principles provided under the corresponding clauses. NOTE Typical levels for the relevant properties of sulfur for use as a rubber compounding ingredient are contained in Annex A, for information only.