Tree species:
- Pinus Pinaster

Portuguese Gum Rosin is a natural resin derived from the Pinus pinaster species of pine trees found in Portugal in regions such as Alentejo and Centro. PGR is known for its high purity and distinct properties. It is obtained through a controlled distillation process from the crude gum or pine oleoresin collected from the pine trees.

It may be used in various industrial applications such as adhesives, coatings, inks, and more, depending on its quality and properties.