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  1. Keith_J

    Painted M1009 with Waterborn CARC

    TDI/MDI have appreciable vapor pressures and using spraying equipment, levels are potentially problematic. Furthermore, the relatively low molecular weights of these isocyanates means activated carbon filtration isn't effective. With the newer CARC, the diisocyanates are much larger molecular...
  2. Keith_J

    Painted M1009 with Waterborn CARC

    Wow, no toluene or methylene diphenyl diisocyanates!!! That means no need for airline respirators! These were the extremely toxic components of earlier solvent-borne polyurethanes. Polyurethanes are typically products of reaction between a double alcohol (diol, HO-R-OH) and a diisocyanate...
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