« See more Williamsburg Artist Oil Mediums

To support its extensive line of Handmade Oil Colors, Williamsburg offers a complementary line of tradition-based mediums and other essential painting tools.

Extender Medium —

This semi-transparent extender is composed of marble dust and barium sulfate in linseed oil. Use it to extend oil colors without altering their consistency. Moderate drier. Note: It will increase the tendency of oil colors to yellow. Use as an additive only.

Extender Medium
 (enlarge)
Purchase Item

Add Items to My List...

  • Saving an item or moving it to a list does not guarantee price or availability.

Add Items to My Cart...

Your cart is currently empty.

  • Prices, promotions, and availability may vary by store, catalog, and online.

® Williamsburg is a registered trademark.