- Clear, glass beakers feature color-coded matte finish marking area and graduations for easy identification
These clear, color-colored Griffin beakers are made of Kimax KG-33 glass for strength and durability. Beakers have uniform sidewall and bottom thicknesses, and feature a color matte finish marking area for use with an ordinary pencil. Each has permanent, easy-to-read color graduations. Reference: ASTM E-960, Type I.