Polysulfide sealant p / n pr1773 a2, pcs 10, for sealing seams, composition. polysulfide polymer 50% -100%, 2.5-10% calcium carbonate, titanium dioxide 2.5-10%, 2.5-10 toluene % orthophosphate 0-2.5%, 0-2.5% butanone, zinc oxide 0-2.5%, 0-2.5% thiram, use