Transtar 6894 Overall Activator (1 Quart) is designed for use in high productivity shops using Transtar Finish-Tec Clearcoats. Part of the Transtar Extra Solids Acrylic Urethane Clearcoat Activators line. Part of the Transtar Extra Solids Acrylic Urethane Clearcoat Activators line. To be used in clearcoat applications over single state topcoats and base/clear applications. Ideal for use in temperatures between 75° -90° (24° - 32°C). Perfect for use with larger jobs that require a long open time. TDS 508. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.