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The OW Thinner is a high-purity, adequate solvent substitute for turpentine and other solvents. It can be used when formulating varnishes or cleaning tools. 

It offers better performance and minimum risk for your valuable varnish and health. 

Since it is pure, OW Thinner evaporates entirely and does not leave gum remaining, which is essential because it does not affect the tonalities and drying time. It also does not deteriorate during stock. 

Safety Data Sheet and Classification

Please read the Material Safety Data Sheet (MSDS).

19011 (EN) OW Thinner (V1)

Classification and Security

Application Guidelines

These are short, general indications. For more detailed instructions, please download the Technical Data Sheet available for this product.


OW Thinner evaporates a bit slower than turpentine or other solvents. Therefore, it keeps the coating open longer, allowing a better application and an excellent varnish levelling over the instrument surface.  


Whether you decide to dilute the varnish or not is a very personal choice, and the dilution and later application techniques will depend entirely on your preferences and expertise. 

Security and Storage



According to Regulation No 1272/2008 (CLP), this product is classified as:  

Asp. Tox. 1: Aspiration hazard, Category 1, H 304.   

EU H066: Repeated exposure may cause skin dryness or cracking.  

Protective gloves against minor hazards and panoramic goggles against splashes and/or projections are recommended to prevent eye or skin contact.  



Store it in its original container, tightly closed, in a fresh place. Do not expose it to direct light or outdoor elements. Avoid heat, radiation, static electricity, and contact with food. 

Under these conditions, the OW Thinner hardly deteriorates.

More Resources

Safety Data Sheet

Technical Data Sheet