Made of top quality 3.3 borosilicate glass. Designed according to ISO 1042, DIN 12664 and calibrated to contain (TC, In). The conformity with “Eichordnung” (the German Federal Weights and Measures Regulations) is certified through the official “DE-M (year)” sign on each flask. Each flask has its own individual serial number printed. An individual calibration certificate showing the real volume of this particular flask is delivered. The flask has a printed QR code that when scanned allows the user to download the certificate
Made of top quality 3.3 borosilicate glass. In compliance with DIN EN ISO 4788. To contain (TC, In). Printed in amber color. Does not include a certificate
Made of top quality 3.3 borosilicate glass. With two PTFE stopcock and transparent filling reservoir. Richardson bulb included. Batch certificate included (to be downloaded free of charge at <a href="https://ien.labbox.com/download-certificates/" target="_blank">here</a>)
Made of 3.3 borosilicate glass (upper grade). These beakers are stronger than standard beakers. High mechanical resistance thanks to their thick and reinforced wall. They are less prone to breakage during washing, have a longer lifespan and provide increased user safety. Graduated and with a spout. According to ASTM E 438 and ASTM E 960. Caution: This glassware is not recommended for use on hot plates
Made of top quality 3.3 amber borosilicate glass. Designed according to ISO 1042, DIN 12664 and calibrated to contain (TC, In). The conformity with “Eichordnung” (the German Federal Weights and Measures Regulations) is certified through the official “DE-M (year)” sign on each flask. Each flask has a batch number printed on the flask. Batch certificate included (to be downloaded free of charge here)
