WEBER-Odourless Turpenoid Turpentine Substitute. Turpenoid is an odourless, highly refined, water clear mixture of petroleum distillates. It should be used as a thinner for artists,' oil colours, oils, and varnishes, as well as a cleaner for oil painting brushes and accessories. Turpenoid is also useful in removing wet oil paint from clothing. This package contains one 118mL/4 fl/ oz container of Odourless Turpenoid. Caution: Combustible. Keep away from children and flame. Assure adequate ventilation when in use. Conforms to ASTM D4236. Made in USA.