Grumbacher Alkyd Painting Medium 2.5oz

Alkyd painting medium is a synthetic oil-paint additive made with alkyd resin that speeds drying, improves flow, and increases transparency in oil colors.

• Dries fast – thin layers can be workable again in ~12–24 hours
• Improves flow & brushwork – reduces drag, smoother application
• Enhances glazing – creates rich, transparent layers