For TDI, is it necessary to install toxic gas detection and alarm devices?

2024-12-11View Original

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I checked the regulations regarding occupational exposure limits, and found that there are no values such as MAC or PC-TWA for TDI. However, there is a concept called \"biological occupational exposure limit\" – what is that? Is it necessary to install toxic gas detectors?

Reply #22024-12-11

TDI is toluene diisocyanate. Article GB50493 specifies the range of detection for toxic gases, and TDI is among the gases that are subject to monitoring as part of the list of highly toxic substances; therefore, toxic gas sensors must be installed, and there are specified detection values for these highly toxic substances

Reply #32024-12-11

PC-TWA 0.1mg/m³, PC-STEL 0.2mg/m³

Reply #42026-03-09

It's needed. TDI is the 17th item on the list of highly toxic substances issued by the Ministry of Health.

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For TDI, is it necessary to install toxic gas detection and alarm devices?

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