Grumbacher Copal Painting Medium - Copal-Based Painting Medium for Oil Painting
Grumbacher Copal Painting Medium is a traditional oil painting medium formulated with synthetic copal resin, based on 19th-century recipes. Designed especially for hobbyists, tole painters, and decorative artists, it brings the classic properties of historic painting mediums into a modern, accessible format — enhancing flow, gloss, and drying time.
✦ Features & Benefits
✦ Improves paint flow – ensures smoother, more even application of oil colors
✦ Quick-drying – significantly reduces drying time for faster layering
✦ Hard, glossy finish – delivers a durable, brilliant surface upon drying
✦ Historically inspired – mimics the effect of traditional copal resin media
✦ Ideal for decorative painting, tole work, and hobby projects
✦ Instructions for Use
✦ Thin only with Pure Gum Spirits of Turpentine or Grumtine
✦ Do not use with petroleum-based or odorless solvents
✦ Not suitable for archival or permanent works – may yellow or darken over time
✦ Best suited for temporary or decorative pieces, studies, or craft-based applications
✦ Technical Data
✦ Type: Synthetic copal painting medium
✦ Application: Designed for oil paints
✦ Effect: Increases gloss ✦ Accelerates drying ✦ Hardens paint film
✦ Thinnability: Only with turpentine oil or Grumtine
✦ Intended for: Hobby artists, decorative painters, tole painters
Grumbacher Copal Painting Medium is ideal for artists and hobbyists who want to explore classic oil painting techniques with enhanced gloss and faster drying — especially in non-permanent or decorative contexts.
Product safety information
Manufacturer information:
Art Material International
Carl-Zeiss-Straße 21-23
Schleswig-Holstein
Kaltenkirchen, Deutschland, 24568
info@art-material.eu
https://art-material.shop/