Chemical Composition: Polyisocyanate based on biuret-modified hexamethylene diisocyanate (HDI) Product Description: Basonat HB 175 MP/X is an aliphatic polyisocyanate for lightfast and weather-resistant two-pack polyurethane coatings. It is an approximately 75% solids solution in a 1:1 blend of 1-methoxy-2-propyl acetate and xylene. Key Features & Benefits - Excellent weather and chemical resistance - Excellent physical properties - Non-yellowing