Erlenmeyer flasks, manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.

• Excellent chemical resistance
• High temperature resistance
• Minimal thermal expansion, giving relatively high resistance to temperature changes
• With white ceramic enamel marking spots

Designed for use with rotary and reciprocating shakers where baffle indents provide greater turbulence to improve oxygen transfer rates or aeration. And also this flask have a neck with a plain fire-polished finish which is suitable for a metal cap, plastic cap, foam plug or cotton plug.