Description
DURAN® blank for flat flange lid, low form and unground, DN 100 is a borosilicate glass 3.3 component designed for further custom processing into laboratory apparatus. The blank can be worked together with additional DURAN® parts including threaded tubes, standard ground joints and threaded sleeves to create customer-specific flat flange lids and related glassware. Geometry and substantial wall thickness make finished pieces derived from this blank suitable for pressure and vacuum service once permissible operating data have been properly established. Supplied by manufacturer Duran/DWK Life Sciences, the unground low-form blank provides glassblowers and technical workshops with a robust starting piece for specialised equipment. Glass articles that deviate from the original form through secondary processing require determination of allowable operating parameters according to relevant technical rules and regulations. At a net weight of 0,368 kg the blank remains manageable during fabrication while offering the mass and wall strength needed for durable, application-specific laboratory glass systems in research and industrial settings.
This article is part of Reaction vessels & jacketed vessels, in Beakers & flasks.
Key features
- Pack size: 1 pc
- Storage temperature: Standard
- Material: Borosilicate glass 3.3
- Form: Low form, unground
- Nominal diameter: DN 100
- EAN: 4032051001350
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Questions about DURAN® Blank for Flat Flange Lids, low form, unground
What is this article?
DURAN® Blank for Flat Flange Lids, low form, unground is the article on this page. Luminix Health distributes DWK Life Sciences for laboratory use. It sits in Reaction vessels & jacketed vessels, inside Beakers & flasks, in Matériel de laboratoire.
A reaction vessel is the flask a synthesis actually runs in, sometimes jacketed so a fluid can heat or cool the wall. The joints, the working volume and the jacket connections are the specification. It is not a storage bottle.
A beaker is an open working vessel: easy to pour, poor as a measure. An Erlenmeyer flask has a flat base and a conical wall so a liquid can be swirled without climbing out. A round-bottom flask is for heating under a condenser, because the heat meets a curved wall and the joint at the neck connects to the rest of the glassware. Borosilicate is the glass that survives the temperature change. These forms are listed under ISO laboratory glassware.
Which category should I open next?
The category is Beakers & flasks. The sub-category is Reaction vessels & jacketed vessels. The catalogue is Matériel de laboratoire.
Shelves beside this one are Round-bottom flasks, Beakers, Erlenmeyer flasks, Flat-bottom flasks, Flasks (other) and Beaker & flask accessories.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
How does ordering and shipping work?
Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

