What is rosin?

Rosin is a kind of rosin and can be obtained from pine trees. Cut the exit on the pine tree and let the secretion with high viscosity be distilled and extracted. This volatile liquid is rosin water; The remaining hard resin is called rosin. Rosin is solid, transparent, insoluble in water, soluble in alcohol, hard and brittle, light yellow or brown.

Rosin is one of the cheapest components in varnishes and pigments, so it is often used as a coating for varnishes and pigments. In addition, rosin has many other uses in the art field, such as mechanical functions such as bonding and sealing, and is also an industrial raw material for making paints, soaps, papers, matches and so on.

Extended data

use

1, soap industry

Rosin is boiled with soda ash or caustic soda to form rosin soap. Rosin soap has strong detergency, soluble in water, soluble in oil, and easy to foam.

2. Paper industry

Rosin is used as a papermaking compound in the papermaking industry.

3. Paint and coating industry

Rosin is easily soluble in various organic solvents, easy to form a film and shiny. It is one of the basic raw materials for paints and coatings. The role of rosin in paint is to make the paint bright, dry quickly, and the paint film is smooth and not easy to fall off.

5. Ink industry

Rosin is mainly used as a color carrier in printing ink to enhance the adhesion of ink to paper.

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