Grumbacher Oil Painting Medium I Matte 2.5oz
Grumbacher Oil Painting Medium I is ideal for oil painting work where a matte finish is desired. Ideal for use in underpaintings, on absorbant gesso and for mural work. 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 ventillated area.