This 50ml low-form polyproplyene beaker with a spout provides superior chemical resistance for general laboratory use. Beaker has easy-to-read silk-screened graduations plus catalog number size code resin code maximum use temperature and 'no flame' symbol. With ribs for easy stacking. Not for use on a hot plate. Meets ISO/DIS 7056 International Standards for Laboratory Plasticware Beakers. Graduated. Polyproplyene. Capacity: 50ml. 12/Pack; 4 Packs/Case. Nalgene® #: 1201-0050.