In the automobile coating is the 3 c1b in: wet wet touch the wet paint coating (3 c1b) after electrophoresis paint coating in the form of "wet touch wet spraying paint, metal paint and finishing varnish, and one-time drying process is called 3 c1b process.

3 c1b technology has been used by the ford motor company, the domestic nanjing ford Mazda coating line to use this technology will soon. Compared with the traditional automobile coating process, the process has been cancelled in drying process, thus reducing the paint burnish, wipe and dry the coating equipment, such as investment and area, improve the production efficiency, reduce energy consumption. At the same time, because of no coating grinding process, thus saving the cost and supplementary materials required for the polishing.

In formula 3 c1b materials adopted special acrylic resin and high tenacity polyester resin