International Thinner No. 9 – Specialized Marine Paint Thinner Specialized Marine Paint Thinner for Polyurethane Coatings Engineered for effective paint thinning, tailored to marine standards. Also serves as a robust cleaning agent for painting equipment. Formulated to work seamlessly with polyurethane paints and varnishes. Elevate the quality of your boat’s finish with our marine-specific paint thinner. Perfect for the Irish mariner seeking efficiency and durability in their vessel’s appearance.
