Grumbacher Pre-Tested Oil Color Copal Painting Medium 2.5 oz.

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$11.05 / EA

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These mediums thicken or thin without harming the color's adhesive, binding or film forming qualities

Myriad effect such as increased flow and rapid and slow drying of color may be achieved

PreTested Stand Oil

A flexible, very heavy bodied purified oil for use in preparing mediums

Oversized or heavy items may incur additional fees after checkout. We will call you if this applies to your placed order.