Polychem 7558-B-60 Acrylic polyol OPC Polymers Polyurethane (PU) - Polyols Automotive refinishing General Industrial /Maintenance MAK and xylene POLYCHEM 7558-B-60 is an acrylic polyol designed for good hardness/flexibility, excellent gloss and color retention with intermediate crosslink density/low isocyanate demand. Auto refinish/ Plastic coating/ Industrial maintenance Acrylic polyol. Used in auto refinish, plastic coating and industrial maintenance. Offers good hardness/flexibility, very good gloss and color retention and intermediate crosslink density/low isocyanate demand.