PT, Pure Gum Spirits Turpentine In Metal Can, Derived From Pine Trees & Used In The Manufacture Of Oil-Based Coatings Years Ago, Solvent Power Is Higher Than Mineral Spirits/Paint Thinner, Still Used For Thinning & Clean Up,Positive Effects Natural Gum Resins Have On Brushes, Read Label Carefully Before Use, Note:D.O.T. Hazardous Material Regulations Require Shipping In Full Case Original Cartons.