Derivan Block Ink Medium and Extender

Derivan Block Ink Medium and Extender is a versatile medium which can be used in multiple ways.

As an extender:  Add to Derivan Block Ink colours to extend your Ink. Make your colours more transparent without losing the body of the paint.

As a medium: Add Matisse Structure Acrylic paint colours to Block Ink Medium and Extender to create block ink from your paint.

When using as an extender add from 1:9 to 9:1 ratio of to Derivan Block Ink colour.

Up to about 1:1 ratio the colour will be extended, after this the colour will start to become more transparent.

Tackiness may also increase.