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You Searched For: Round Bottom Flasks

Specifically shaped for uniform heat distribution, the round bottom flasks are used for distillation, chemical reactions, heating liquid sample, and storage demands. Manufactured from resistant glass, the spherical containers will spread encountered stress evenly across surfaces to prevent fracturing. Built with temperature resistance, the glassware is an essential piece in reflux set-ups. Primarily used for chemical and biochemical research, the round bottom flasks have short or long neck options.

Specifically shaped for uniform heat distribution, the round bottom flasks are used for distillation, chemical reactions, heating liquid sample, and storage demands. Manufactured from resistant glass, the spherical containers will spread encountered stress evenly across surfaces to prevent fracturing. Built with temperature resistance, the glassware is an essential piece in reflux set-ups. Primarily used for chemical and biochemical research, the round bottom flasks have short or long neck options.


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Product Image-3004582.

Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 5000 ml, Socket size: 45/40 NS, Height: 315 ± 7 mm, Ø ext.: 223 mm

Description: Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 5000 ml, Socket size: 45/40 NS, Height: 315 ± 7 mm, Ø ext.: 223 mm
Catalog Number: 3004582.
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-3214473.

Flask, round bottom, Standard ground joints, two necks, angled side neck, DURAN® Borosilicate glass, Capacity: 2000 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 166 mm

Description: Flask, round bottom, Standard ground joints, two necks, angled side neck, DURAN® Borosilicate glass, Capacity: 2000 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 166 mm
Catalog Number: 3214473.
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-3214249.

Flask, round bottom, Standard ground joints, two necks, angled side neck, DURAN® Borosilicate glass, Capacity: 250 ml, Centre neck: 29/32 NS, Side necks: 19/26 NS, Ø ext.: 85 mm

Description: Flask, round bottom, Standard ground joints, two necks, angled side neck, DURAN® Borosilicate glass, Capacity: 250 ml, Centre neck: 29/32 NS, Side necks: 19/26 NS, Ø ext.: 85 mm
Catalog Number: 3214249.
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-3002458.

Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 500 ml, Socket size: 24/29 NS, Height: 163 ± 6 mm, Ø ext.: 105 mm

Description: Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 500 ml, Socket size: 24/29 NS, Height: 163 ± 6 mm, Ø ext.: 105 mm
Catalog Number: 3002458.
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-3002994.

Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 20000 ml, Socket size: 29/32 NS, Height: 495 ± 7 mm, Ø ext.: 345 mm

Description: Flask, round bottom, Standard ground joint, single neck, DURAN® Borosilicate glass, Capacity: 20000 ml, Socket size: 29/32 NS, Height: 495 ± 7 mm, Ø ext.: 345 mm
Catalog Number: 3002994.
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-3214449.

Flask, round bottom, Standard ground joints, two necks, angled side neck, DURAN® Borosilicate glass, Capacity: 250 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 85 mm

Description: Flask, round bottom, Standard ground joints, two necks, angled side neck, DURAN® Borosilicate glass, Capacity: 250 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 85 mm
Catalog Number: 3214449.
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-3214270.

Flask, round bottom, Standard ground joints, two necks, angled side neck, DURAN® Borosilicate glass, Capacity: 1000 ml, Centre neck: 29/32 NS, Side necks: 19/26 NS, Ø ext.: 131 mm

Description: Flask, round bottom, Standard ground joints, two necks, angled side neck, DURAN® Borosilicate glass, Capacity: 1000 ml, Centre neck: 29/32 NS, Side necks: 19/26 NS, Ø ext.: 131 mm
Catalog Number: 3214270.
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-3214458.

Flask, round bottom, Standard ground joints, two necks, angled side neck, DURAN® Borosilicate glass, Capacity: 500 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 105 mm

Description: Flask, round bottom, Standard ground joints, two necks, angled side neck, DURAN® Borosilicate glass, Capacity: 500 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 105 mm
Catalog Number: 3214458.
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-3304470.

Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 1000 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 131 mm

Description: Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 1000 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 131 mm
Catalog Number: 3304470.
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-3304473.

Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 2000 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 166 mm

Description: Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 2000 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 166 mm
Catalog Number: 3304473.
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-3304458.

Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 500 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 105 mm

Description: Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 500 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 105 mm
Catalog Number: 3304458.
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-3304149.

Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 250 ml, Centre neck: 29/32 NS, Side necks: 14/23 NS, Ø ext.: 85 mm

Description: Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 250 ml, Centre neck: 29/32 NS, Side necks: 14/23 NS, Ø ext.: 85 mm
Catalog Number: 3304149.
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-3304449.

Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 250 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 85 mm

Description: Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 250 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 85 mm
Catalog Number: 3304449.
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-3305482.

Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 5000 ml, Centre neck: 45/40 NS, Side necks: 29/32 NS, Ø ext.: 223 mm

Description: Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 5000 ml, Centre neck: 45/40 NS, Side necks: 29/32 NS, Ø ext.: 223 mm
Catalog Number: 3305482.
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-3304482.

Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 5000 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 223 mm

Description: Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 5000 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 223 mm
Catalog Number: 3304482.
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
Product Image-3304176.

Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 3000 ml, Centre neck: 29/32 NS, Side necks: 14/23 NS, Ø ext.: 185 mm

Description: Flask, round bottom, Standard ground joints, three necks, parallel side necks, DURAN® Borosilicate glass, Capacity: 3000 ml, Centre neck: 29/32 NS, Side necks: 14/23 NS, Ø ext.: 185 mm
Catalog Number: 3304176.
UOM: 1 * 1 items
Supplier: Lenz Laborglas GmbH & CO.KG
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