Grumbacher Matte Medium I, 2-1/2oz Jar #5752
Grumbacher Medium I for Oil Paintings is ideal when a matte finish is desired. Ideal for use in underpaintings, on absorbent gesso and for mural work. Increases fluidity and does not affect the brilliance of even the most subtle tints. Add directly to paint in small amounts. Only dilute with turpentine or Grumtine – petroleum based solvents and odorless paint thinners are not compatible with this product. Use in a well ventilated area. Made in USA.