ISO 26261-2:2017规定了ISO 26261-1中列出的第4类烟花的结构、性能和保护包装要求。 ISO 26261-2:2017不适用于含有包含以下任何物质的烟火成分的物品: -砷或砷化合物； -聚氯苯； -铅或铅化合物（点火器除外）； -汞化合物； -白磷； -苦味酸盐或苦味酸。 ISO 26261-2:2017不适用于设计用于室内或室外舞台的戏剧烟火物品，包括电影和电视制作或类似用途。

ISO 26261-2:2017 specifies requirements for the construction, performance and protective packaging of Category 4 fireworks, as listed in ISO 26261？1. ISO 26261-2:2017 does not apply for articles containing pyrotechnic compositions that include any of the following substances: - arsenic or arsenic compounds; - polychlorobenzenes; - lead or lead compounds (except for igniters); - mercury compounds; - white phosphorus; - picrates or picric acid. ISO 26261-2:2017 does not apply for theatrical pyrotechnic articles which are designed for indoor or outdoor stage use, including film and television productions or similar use.