US POLYMERS › HPP D 9373 19 72 HPP D 9373 19 72 $0.00 US POLYMERS HPP D 9373 19 72 is a saturated aliphatic polyester polyol to be used with a Polyisocyanate to form 2K urethane coatings. Quantity: Add To Cart Added! US POLYMERS HPP D 9373 19 72 is a saturated aliphatic polyester polyol to be used with a Polyisocyanate to form 2K urethane coatings. You Might Also Like HPP D 9321 17 60