iSuo Chem® Hydroxyl Modified Ternary Copolymer VAH-N resin(VAGH resin). White powder VAH-N(equivalent to DOW VAGH resin) is hydroxyl modified ternary copolymer of vinyl chloride, vinyl acetate & vinyl alcohol. Molecular weight: 27000. It is soluble in correspondingly strong solvent & thinner composition, for example, 50% ketone & 50% aromatic hydrocarbon, producing 20% (solid count) resin solution.