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.

4004 Transparent Base

4004 Transparent Base is the colorless resin base to the entire Auto-Air Colors line.

4004 works as an excellent non-reactive barrier to prevent from bleeding. Use anytime to quickly lock down before applying other colors.

4004 Transparent Base works as a light, protective inter-coat perfect for protecting airbrushed artwork before taping. Reduce 4004 Transparent Base 10% per volume with 4012 or 4020 Automotive Reducer. Apply in light-drop coats over artwork or .

4000 Series Quick Guide:

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