水性涂料是汽车面漆的热门选择，因为它们可以降低VOC，改善外观。与它们所取代的高固体分溶剂型涂料相比，这些材料具有显著差异。本文讨论了水性涂料的一些关键问题，包括:腐蚀、结块、粘度、剪切降解、曝气、结皮、流速和静电。

WATERBORNE COATINGS ARE A POPULAR CHOICE FOR AUTOMOTIVE TOPCOATS BECAUSE THEY OFFER REDUCED VOC IMPROVED APPEARANCE. THESE MATERIALS HAVE SIGNIFICANT DIFFERENCES WHEN COMPARED WITH THE HIGH SOLIDS SOLVENT BORNE COATINGS THEY REPLACE. THIS PAPER ADDRESSES SOME OF THE KEY ISSUES WITH WATERBORNE COATINGS INCLUDING: CORROSION, AGGLOMERATION, VISCOSITY, SHEAR DEGRADATION, AERATION, SKINNING, FLUID VELOCITY AND ELECTROSTATICS.