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 .