Dynalon 312024 PTFE 10mL Non Graduated Beaker Round beaker with pour spout for use in tough laboratory conditions Polytetrafluoroethylene (PTFE) for resistance to chemicals, moisture, and high temperatures Variety of sizes (1-, 5-, 10-, 25-, 50-, 100-, 250-, 400-, 500-, 600-, 1000-, 2000-, and 5000-mL) Isostatically molded and machine finished, highly immune to chemical attack, working temperature from cryogenic to 260 degrees C