Pemanfaatan Rosin (Gondorukam)

Abstract

Rosin is residue from distillation process pine gum, extraction pine stump wood. It was get by product pulp industry form rosin tall oil. Rosin is a complex mixture of mainly resin acids and a small amount of nonacidic component. it can be reacted with metal hydroxide namely calcium hydroxide, zinc hydro­xide, aluminium hydroxide and sodium hydroxide.