Auto-Air Colors™ is the pioneer brand of water-based, custom colors & airbrush paints. Proven, durable and brilliant, Auto-Air Colors are continually developed with the latest technologies and materials. Auto-Air Colors is the largest, most progressive VOC compliant custom automotive paint in the world. Check out our latest developments such as 4030 Mix Additive - a urethane, balancing clear for creating acrylic-urethane hybrid paint that performs better than traditional solvent-based paints.

4020 Automotive Reducer

4020 Automotive Reducer is a specialty thinner for use when painting in humid or cold conditions.

Generally added 10% per volume to paint.

Makes paint flow easy with minimal tip-dry.

Colors dry faster, cure to a harder coating compared with reducing with 4012 High Performance Reducer.

Contains Acetone and Glycol Ethers.

Use only in controlled spray environments with adequate ventilation and a NIOSH / MSHA approved respirator.

4000 Series Quick Guide:

2017 Createx Reduction Matrix Reduction Matrix
Reducing Auto-Air Colors for Airbrush
Reducing Auto-Air Colors for Spray-Gun