Spirit bow varnish, colorless
Product number:
1620-5
Product information "Spirit bow varnish, colorless"
JOHA® Bow Varnish – Traditional Spirit Varnish for Bow Making
The JOHA® Bow Varnish is an excellent choice for instrument makers who value authentic materials and traditional craftsmanship. It offers a high-quality alternative to modern synthetic resins and is especially suitable for finishing string bows in the historical style.
Features and Benefits
- Spirit-based: This varnish is made from high-grade natural resins dissolved in alcohol, resulting in a clear, warm surface effect that beautifully enhances the wood’s natural grain.
- Traditionally proven: The formula follows historic recipes that have been used in bow making for centuries – ideal for restorers and enthusiasts of traditional lutherie.
- Fine finish: The varnish forms a hard yet elastic surface, offering both protection and tonal transparency.
- Adjustable sheen: Depending on the number and technique of layers applied, the sheen ranges from satin to high gloss.
Application Instructions
- This varnish is fast-drying, requiring confident and efficient handling.
- Best applied using a brush or pad in several thin coats.
- Light intermediate sanding with fine abrasive fleece ensures an even and smooth surface.
- For best results, work in a dust-free environment with stable room temperature.
Who is it suitable for?
- Experienced users: Due to its quick drying time, this varnish is not recommended for beginners.
- Ideal for restorers and professional bow makers with experience using spirit varnishes.
Technical Details
- Base: Alcohol (spirit), natural resins
- Drying time: touch-dry in minutes, fully cured after several hours
- Sheen level: from satin to high gloss, depending on layering and application technique
- Working temperature: ideally between 18–25 °C (64–77 °F)
- Tool cleaning: with ethanol or spirit
Tip: If you are new to spirit varnishes, we recommend practicing on a test piece first to get used to the drying behavior and application method.
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Hazard Statements
Highly flammable liquid and vapour.
Precautionary statements
If medical advice is needed, have product container or label at hand.
Keep out of reach of children.
Read carefully and follow all instructions.
Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
Use explosion-proof [electrical/ventilating/lighting/] equipment.
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