Pine Rosin (crushed or clumps) also known as colophony, light yellow-amber color, is a solid form of resin obtained from pines. Used in printing inks, varnishes, adhesives/glues, soap, paper sizing, soda, soldering fluxes, and sealing wax.
AA59142-AIWW: Complies with Class A, Type I, Grade WW Mil. Spec. A-A-59142.
Extracted from pine tree species known as Pinus Elliottii, commonly known as the slash pine.