... 25degrees centigrade, (use 2K standard hardener)Spray gun & air pressuregravity type 1.2∼1.5 mm,suction type ... to wet sprayup.Drying Time8 hours at 25degrees centigrade, air dry needs 3 days to get cured completely , if ... -800-sieve wet sand paper and then blow it dry. Otherwise, any water content left in the pits ... years if sealed and kept in a cool and dry place. The top coat ever added with hardener ...