From the Manufacturer
Spaz Stix Ultimate Black Backer is SAFE to use behind Spaz Stix
Ultimate Mirror Chrome. Ultimate Black Backer seals and protects
the Mirror Chrome without taking away the reflective properties.
May also be used to back Spaz Stix Color Change Paints. Specially
formulated for use with Lexan plastic, the unique colors of Spaz
Stix Paints make your hobby project stand out. Customize your
body. For Interior applications where Lexan plastic serves as the
clear coat, use Spaz Stix Surface Prep (SZX90500) to keep jobs
swirl and fingerprint free. Use Spaz Stix Ultra Shine Clear
Acrylic Enamel (SZX90109) to seal and protect from nitro fuel.
For exterior applications, seal and protect your project with
Spaz Stix Ultimate Clear Coat (SZX10900).