CFPVOH is an aqueous solution of poly (vinyl alcohol). Provided care is taken not to allow the water to evaporate, it will remain fluid. Retardation of photobleaching is effected by the addition of the aqueous antifadent solution AF100.
AF100 Is a PBS solution of an amine-based antifadent that if used as an additive to CFPVOH (1 part AF100 to 9 parts CFPVOH). Provided care is taken not to allow the water to evaporate, it will remain fluid.