Poly-G 30-32 Polyol Arch Chemicals Crosslinking / Coupling / Curing Agents >> Diol / Triol PU - Prepolymers ADHESIVE >> Solvent based Polyols are used in high-solid, solvent-based and water-dispersible urethane adhesives. And, most Poly-G® diols meet Title 21 Code of Federal Regulations for use in food packaging. Arch's 20 series diols, for most solvent- and sold-based adhesives, range in molecular weight from 425 to 4,000. The 55 series of Poly-G VHP® diols are favored due to their water compatibility and their ability to help reduce VOCs (volatile organic compounds). High quality and reproducibility. Triol. Can be used in high-solid, solvent-based and water-dispersible urethane adhesives and in food packaging. Offers water compatibility, ability to help reduce VOCs. High quality and reproducibility.