Get Water Based Car Paint Vs Solvent Based UK. So the reduction in solvent use in making the switchover is substantial. This effectively eliminates any chance of using auto paint on model airplanes.
Mostly the activator does contain isocyanates.
The waterborne paint has 70 percent water, 20 percent solid, and the rest is solvent. The quick forced dry process using higher curing temperatures causes the paint to dry fast, but not as hard. This means the resin adheres to the product using water as its primary agent, whereas polyurethane paints often depend on a solvent. The clear coat over the top of either basecoat is still a solvent based product that is light years better than what we ever had in the past.