Roberson Cobalt Siccative Drying Agent 1 Litre For Oil And Alkyd Paint

Roberson Cobalt Siccative Drying Agent 1 Litre For Oil And Alkyd Paint

Cobalt siccative is a drying agent for oil and alkyd colours. The chemical compound acts on the oils surface accelerating the forming of a film. Extreme care must be taken not to use too much, as a guide 1-3% by volume should be dropped into the colour before working in.

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