Langridge Cobalt Driers

Please Note: This product is Classified as Dangerous Goods and will add significant freight surcharges. Please review the Shipping Policy below for details.Concentrated cobaltoctoate in mineral spirits.Acts as a drier for oil colours and mediums.Cobalt driers made from cobalt octoate or cobalt naphthenate are the only recommended siccatives for artists oil colours and mediums as their addition in the correct proportion has a minimal effect regarding darkening and embrittlement of the paint film.