Here is some additional information about polyurethane thinner:
- Molecular weight: 120.17 g/mol
- Density: 0.87 g/cm³
- Boiling point: 118.1 °C
- Melting point: -94.2 °C
- Solubility in water: 0.07 g/100 mL (20 °C)
- Flash point: 38 °C
- Explosion risk: Low
- Toxicity: Moderate
Polyurethane thinner is a solvent used to thin and dissolve polyurethane paints and varnishes. It is a colorless, clear, and flammable liquid. Its odor is sharp and unpleasant.
Polyurethane thinner is typically made from petroleum-based solvents. These solvents include benzene, toluene, xylene, and ethyl acetate. Polyurethane thinner is an ideal thinner for polyurethane paints and varnishes because these paints and varnishes are also made from cellulose. Polyurethane thinner allows the paint and varnish to be applied more easily and results in a smoother surface.
Polyurethane thinner is also used to clean brushes, rollers, and other tools used in paint and varnish applications.
Polyurethane thinner is a flammable and toxic substance. It can be harmful if inhaled, in contact with skin and eyes, or if swallowed. Care should be taken when using polyurethane thinner.
Some points to consider when using polyurethane thinner are as follows:
- Always use protective equipment such as a mask, goggles, and gloves when using polyurethane thinner.
- Work in well-ventilated areas when using polyurethane thinner.
- Avoid inhaling polyurethane thinner when using it.
- Avoid contact with skin and eyes when using polyurethane thinner.
- Avoid swallowing polyurethane thinner when using it.
- Dispose of waste properly when using polyurethane thinner.
Polyurethane thinner is an important substance used in many areas. However, since it is a flammable and toxic substance, it must be used with caution.

