Derivan Block Ink Medium & Extender 250mls

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

1. As an extender - add to Derivan Block Ink colours to extend the colour and make the colours more transparent without losing the body of the paint.
2. As a medium - add Matisse Structure acrylic paint colours to the Block Ink Medium & Extender to create a block ink