Grumbacher Linseed Oil Medium for Oil Paintings, 2-1/2 Oz. Jar, #5582 Nullify Made in USA Can be added directly to oil paint to make colors glossy and fluid May also be used as a paint binder ingredient when mixing colors from powdered pigments Made from purified alkali-refined linseed oil Can be pre-diluted with Turpentine, Grumtine, or Pre-tested Odorless Paint Thinner Made in USA