Cyprus Mail
Press Release

Toyota Develops New Paint Atomizer with Over 95 percent Coating Efficiency, Highest in the World*

Contributing to the reduction of CO2 emissions and the popularization of coating technology.

Toyota City, Japan, March 12, 2020―Toyota Motor Corporation (Toyota) has developed a new type of paint atomizer (airless paint atomizer) that uses static electricity instead of air, to replace the conventional air paint atomizers used in the vehicle body painting process. The newly developed airless painter, the first of its kind in the world*, achieves over 95 percent coating efficiency (the amount of paint sprayed versus the amount that actually adheres onto the vehicle body), the highest in the world, from conventional efficiency of approximately 60 to 70 percent.


By deploying the airless paint atomizer in Toyota Group’s painting process, it is expected that the Group can reduce its CO2 emissions by about 7 percent. In addition, the collection device situated at the bottom of the paint booth (the area where paint is sprayed) can be made more compact. Therefore, it is able to make painting production lines more compact for the future.


Toyota is advancing initiatives to achieve its Plant Zero CO2 Emissions Challenge, one of the targets included in the Toyota Environmental Challenge 2050 announced in 2015. As part of this effort, it developed the airless paint atomizer and deployed it at both Takaoka and Tsutsumi Plants. Gradual deployment at other plants is planned as well as consideration of deployment among other Toyota Group companies and licensing the technology to other companies.


Features of airless paint atomizer

Conventional air paint atomizer sprayed paint primarily using aerodynamic force, then paint the vehicle body with the atomized particles using an air paint atomizer. For this reason, paint particles are scattered by the air ricocheting off the vehicle body, resulting in a coating efficiency of approximately 60 to 70 percent. By comparison, the new airless paint atomizer uses electricity to sprayed the paint (electrostatic atomization), and the statically charged particles coat in such a way that they gravitate toward the vehicle body (electrostatic painting). Electrostatic atomization and electrostatic painting technologies greatly reduce the number of atomized particles that scatter, thereby achieving a higher coating efficiency.


Conventional Air Paint Atomizer   

Since atomized paint is sprayed onto the vehicle body using air, the ricochet effect causes many particles to scatter

New Airless Paint Atomizer

Since the paint is atomized using electricity and electro-static force is used for painting,

few particles are scattered

* As of March 2020, according to Toyota Motor Corporation.

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