Uses
Adhesives: Gum rosin is used in hot-melt and pressure-sensitive adhesives.
Rubber: Gum rosin softens rubber and increases its elasticity. It's also used as an emulsifier in synthetic rubber production.
Soap: Gum rosin is used as a substitute for aliphatic acid in soap making.
Paint: Gum rosin is a basic material in the paint industry. It's also used as a gloss oil for paints.
Musical instruments: Gum rosin is used to rosin the bows of stringed instruments like violins and cellos.
Soldering: Gum rosin is used as a flux for soldering metals.
Paper: Gum rosin is used as a paper sizing agent to improve the strength, smoothness, and anti-abrasion of paper.
Road coating: Gum rosin is used to make thermoplastic coating for road sign injunctions.