Product Overview
Made of high quality borosilicate glass (similar to Pyrex); well annealed, chemically stable, strong mechanically and highly resistant to thermal shock. Test tubes are formed from special machine-made tubing of correct wall weight with adequate bottom thickness to resist breakage. Sturdy lip with correct wall thickness for maximum service. Stoppers not included, available separately.
Packaged in breakage resistant boxes of 72 tubes (except Ø25×200mm, 48 tubes per pack).
