Mont Marte Acrylic Retarder - 75ml

The Mont Marte Acrylic Retarder is used for wet-on-wet, easy colour blending and creating smooth blocks of colour.

• Used to slow the drying time of acrylic paint
• Use 1 part medium for 4 parts of paint
• Slows down acrylic paint's normal drying time
• Practice usage before committing to your final artwork