Williamsburg Oil Extender Medium

Parkers Sydney Fine Art Supplies Verified independent store

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Extender Medium- Formerly Impasto MediumMarble dust and barium sulfate in linseed oil. Semi-transparent. Moderate drier. Used to extend oil paint without altering its consistency. Add to a maximum ratio of 1:1 Extender to paint. Will increase the tendency to yellow. Use as an additive only. Show more