Manufactured from heat resistant, durable borosilicate glass according to DIN EN ISO 1042 standard. Trapezoidal body form offers much higher stability and avoids fall over risk. 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 persistance and enables easy observation of meniscus level. Inscriptions on the clear flask bodies are printed with blue enamel. Inscriptions on the amber flask bodies are printed with white enamel. All volumetric flasks are supplied with a leak-proof P.E stopper which ensures perfect closure.

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