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Thanks to their exceptional properties, such as excellent chemical resistance, nearly inert behaviour and high usage temperature, the original DURAN® Erlenmeyer flasks are ideal for use in laboratories. Moreover, the uniform wall thickness, minimal thermal expansion and the resultant high thermal shock resistance are outstanding characteristics. Therefore, DURAN® Erlenmeyer flasks are particularly suited to use with very high temperatures and fast temperature changes.

• Manufactured from borosilicate glass 3.3
• Wide neck enables easy filling and cleaning
• Easy mixing due to conical form
• Easy-to-read scale with graduation marks to estimate the content
• Fired-on, highly durable white ceramic
• Flasks with a capacity ≥3L are without graduations