附件 XVII 的第 56 条是否除涵盖 MDI 单体外，还涵盖 MDI 低聚物和聚合物？

附件 XVII 的第 56 条是否除涵盖 MDI 单体外，还涵盖 MDI 低聚物和聚合物？

Does the entry 56 of Annex XVII cover, besides the MDI monomers, also the oligomers and polymers of MDI?

聚合 MDI 的 CAS 编号为 9016-87-9，不包含在 CAS 编号为 26447-40-5 的物质定义中，而且在法规 (EC) No 1272/2008 (CLP) 附件 VI 中未被归类为危险品。在比利时报告员执行的风险评估报告和风险降低策略中，在暴露评估和整个决策过程中分析了两种主要产品：单组分泡沫和热熔胶，两者分别含有 10% 和 2% 的 MDI。MDI 含量低于 0.1% 的其他产品不构成任何风险，因此在指令 76/769/EEC 下对风险降低措施的最终考虑中被排除在外。但是，当混合物中存在的聚合 MDI 含量超过 0.1%（定义见 RAR）时，则受限制。因此，MDI 的二聚体和聚合物形式不属于当前限制的范围，除非它们是含有超过 0.1% MDI 的混合物的一部分。

The polymeric MDI, with CAS number 9016-87-9, is not included in the definition of the substance with CAS 26447-40-5 and moreover is not classified as dangerous in Annex VI of Regulation (EC) No 1272/2008 (CLP). In the Risk assessment report and Risk reduction strategy performed by the Belgian Rapporteur, two main products were analysed during the exposure assessment and throughout the decision making process: the one-component foams and hot melt adhesives, both containing respectively 10% and 2% of MDI. Other products with MDI content below 0.1% did not pose any risk and therefore were excluded by the final consideration on the risk reduction measures under Directive 76/769/EEC. However, polymeric MDI present in mixtures is covered by the restriction when such mixtures contain more than 0.1% of MDI (as defined in the RAR). Therefore, dimers and polymeric forms of MDI are out of the scope of the current restriction except if they are part of mixtures containing more than 0.1% of MDI.