Round bottom flasks with standard glass ground joint
DURAN® borosilicate glass 3.3, amber.
- Very good chemical resistance
- High temperature resistance
- Minimal thermal expansion giving relatively high resistance to temperature changes
With centre neck NS 14/23 or NS 29/32 and coloured brown to protect light-sensitive substances.
: According to DIN 12348 specifications.
Frequently Bought Together
Laboratory bottles, narrow neck, with screw cap, DURAN®
: DWK Life Sciences
Jars, wide mouth, with screw caps, Nalgene®
: Thermo Fisher Scientific
Round bottom flasks with standard glass ground joint
: Lenz Laborglas GmbH & CO.KG
Filtration crucibles, DURAN®
: DWK Life Sciences
Screw Caps for Bottles
: RIXIUS
Extractors for solids
: Lenz Laborglas GmbH & CO.KG
Cells for Absorption Measurements
: HELLMA
Condensers, Dimroth, DURAN®
: DWK Life Sciences
Closures
: RIXIUS
Flasks, round bottom with three necks and standard ground joints
: Lenz Laborglas GmbH & CO.KG
Trays, general purpose
: SciLabware
Caps, KIM-KAP™, disposable, KIMBLE®
: DWK Life Sciences
Screw caps, WHEATON®
: DWK Life Sciences