SprayMax 3680065, 2K Matte Clear Coat, Aerosol Product expires approximately 36 months after the manufacturer date on the can; Once activated, the potlife is apprximately 48 hours; The SprayMax 3680065, 2K Matte Clear Coat is designed with a low gloss sheen but will still give you the same type durability as SprayMax 3680061 2K High Gloss Glamour Clearcoat. Salesman Notes: SprayMax 3680065 is a flat clear coat that works great over most all types of paints. It is fuel resistant once it has fully cured.