Plasthall P-622 Polyester adipate C. P. Hall Plasticizer >> Polyester Coatings Inks PLASTHALL P-622 has been specifically designed as a polyester plasticizer for remoistenable seal gum adhesives. P-622 provides both excellent humectant and moisture response properties in the adhesive film as well as rapid emulsification in the adhesive formulation. It is used in inks and coatings. Polyester plasticizer. Used in inks and coatings.