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Borosilicate Glass 3.3 respectively Duran 8330 is the market leader for laboratory glass, for example flasks. It has become an essential part of laboratory and chemical systems engineering.  Borosilicate glass stands out due to its high stability, great processability and extensive insensitiveness against quick changes in temperature as well as their corrosion-resistance.  Furthermore, they act absolutely neutral in almost all chemical fields, even with aggressive chemicals. This characteristic distinguishes them from most other materials. In our product portfolio of different flasks you find for instance round flasks, rounded bottom flasks, flat bottom flasks, Erlenmeyer flasks, pear shape flasks and two, three and four-necked flasks. Producers are, among others, Rettberg, QGT Bad Harzburg, VITLAB.

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Flasks