Description
BOLA double-sided seals for GL 25 threads combine a silicone ring with double-sided PTFE cuffs so that the process medium contacts only PTFE in use. Outer diameter, inner diameter and height are 22 × 12,0 × 6,6 mm, and the seals fit tube diameters from 11,0 to 13,0 mm. The PTFE faces provide an inert barrier at the medium interface while the silicone body supports a secure mechanical seal on standard GL 25 laboratory threads. These components suit fluid-handling and glassware connections where chemical compatibility on both sealing faces is required. Supplied in a pack of 5 pieces from manufacturer Bohlender, each seal has a net weight of 0,0022 kg and is made with polytetrafluoroethylene (PTFE) as the contact material. The compact GL 25 format integrates readily into common laboratory tubing and vessel setups that need reliable, chemically resistant double-sided sealing without exposing the silicone core to the medium.
This article is part of Lids & seals, in Stoppers, caps & closures.
Key features
- Pack size: 5 pc(s)
- Thread: GL 25
- Dimensions (Ø outer × Ø inner × H): 22 × 12,0 × 6,6 mm
- Tube diameter: 11,0–13,0 mm
- Material: silicone ring with double-sided PTFE cuffs
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Questions about BOLA Double-sided gaskets, GL 25, Ø 22 x 12 mm SILICONE-ring with double-sided P
What is this article?
BOLA Double-sided gaskets, GL 25, Ø 22 x 12 mm SILICONE-ring with double-sided P is the article on this page. Luminix Health distributes Bohlender for laboratory use. It sits in Lids & seals, inside Stoppers, caps & closures, in Matériel de laboratoire.
Lids and seals are the covers of dishes, jars and tanks: a snap lid, a sealing film, a gasket. The seal is doing the work. A lid that only rests on the rim does not contain a volatile liquid.
A closure is the part that decides whether a bottle stays shut and whether the contents attack the seal. A ground-glass stopper matches a ground neck. A screw cap needs the right thread and a liner that survives the liquid. Rubber and silicone stoppers push into a mouth. The liner, not the colour of the cap, is the chemical choice. The vessels they close are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Stoppers, caps & closures. The sub-category is Lids & seals. The catalogue is Matériel de laboratoire.
Shelves beside this one are Screw caps & closures, Rubber & silicone stoppers, Ground-joint glass stoppers and Closures (other).
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.