« See more Grex Private Stock Airbrush Base Modifiers

Grex Private Stock Airbrush Base Modifiers are made with the same exclusive, cutting-edge technology that sets Grex Private Stock Airbrush Colors apart. Use them to adjust and customize the performance of Private Stock colors for a virtually infinite variety of effects.

Autograph Opti-Film 2050 —

A non-toxic alternative to solvent-based modifiers, Autograph Opti-Film 2050 speeds drying time and enhances adhesion when painting on hard surfaces such as metal and plastic. Opti-Film 2050 also boosts compatibility between waterbased airbrush colors and solvent-based clear coats. It is tough, durable, water-resistant, and water-clear when dry.

Autograph Opti-Film 2050

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