本文件规定了一些气体相容性试验方法，以评估适用于制造复合气体气缸套的塑料材料。它也适用于评估用于5型气缸的塑料基体材料的适用性。 一些液体，如用于气瓶测试的水，在与塑料衬里接触时会产生正面或负面反应。本文档不包括此兼容性问题。

This document specifies some gas compatibility test methods to evaluate plastic materials suitable for use in the manufacture of composite gas cylinder liners. It is also applicable to the evaluation of the suitability of plastic matrix materials used for Type？5 cylinders. Some fluids like water, used for cylinders testing, can react positively or negatively when in contact with plastic liners. This compatibility issue is not covered by this document.