Derivan Block Ink Medium and Extender is a versatile medium which can be used in two ways to create fantastic relief prints.

• As an extender - add to derivan Block Ink colours to extend and make your colours more transparent without losing the body of the paint as would it happen when adding water.

• As a medium - add Derivan Acrylic paint colours to Block Ink Medium and Extender to create block ink from the paint.