For thinning MOTHANE™ Polyurethane Enamels 72-series during spray application. Also excellent for cleanup. Suggested thinning rate of 20% has been found to be satisfactory for conventional spray application. Airless spray usually requires less thinner. Thinning requirements may vary according to application equipment and conditions. Note: In warm weather applications, MOTHANETM Retarder 43-EF-80 may be used as a partial or complete replacement.