Use of Diisocyanates: What You Need to Consider

As of August 24, 2023, all manufacturers, importers, formulators, or downstream users of diisocyanates are required to have their employees trained if they handle substances or mixtures containing diisocyanates in a concentration of 0.1% or more by weight. Regulation 2020/1449 prescribes this training. 

The EU is also planning new occupational exposure limits for diisocyanates, which it announced in a press release. It said that the move is necessary to protect workers’ health, especially because of the increased use of the group of substances, such as in battery production, electric vehicle manufacturing, wind turbines, and building renovation.  

In its proposal, the EU sets an overall limit value of 6 µg NCO/m3 for occupational exposure to diisocyanates. This value applies to workers breathing air containing diisocyanates during an eight-hour working day. For workers exposed for an average period of 15 minutes, the short-term limit is to be 12 µg NCO/m3 

For more on this topic, read our blog post. 

We also offer training on the safe handling of products containing diisocyanates. Please contact with any questions. 

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