amber volumetric flasks

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Manufactured from heat resistant borosilicate 3.3 glass according to DIN EN ISO 1042 standard. They guarantee excellent protection against UV source and still good visibility of liquid level. Calibrated according to DIN/ISO Class “A” standard. Featured with a (“DE-M”) conformity mark according to German federal weights and measures regulations. Individual calibration carried out by automatic robots eliminate possible deviations from nominal values. Conformity mark and batch number printed on the body surface. Batch certificate can be downloaded from website. Diamond grinded meniscus ring mark offers longer persistence. White colored meniscus ring mark enables easy observation of meniscus level. Inscriptions on the flask bodies are printed with white enamel color. Supplied with a leak-proof P.E stopper which ensures perfect closure

As an alternative for polythylene stoppers which are supplied as a default to volumetric flasks, a glass stopper can be selected from our catalogue.