Description
BOLA double-sided seals for GL 18 threads comprise a silicone ring with double-sided PTFE cuffs so that the medium contacts only PTFE in service. Outer diameter is 16 mm, inner diameter 8,0 mm and height 4,6 mm, matching GL 18 threads and tubing with outer diameters from 7,5 to 9,0 mm. The PTFE-facing construction supports laboratory applications that need chemical resistance at the wetted seal surface. Pack size is 5 pieces, with a stated net weight of 0,0008 kg. These sealing components from manufacturer Bohlender combine silicone elasticity with PTFE cuffs for resilient, media-compatible sealing on GL fittings. They suit analytical, chemical and research laboratory apparatus using standard GL 18 connections and the corresponding larger tubing range. Selection is based on the stated outer, inner and height dimensions plus the compatible tube-diameter window, allowing direct matching to existing glassware and tubing. The design maintains PTFE-only medium contact while providing a secure seal at the GL-thread interface in routine laboratory fluid handling.
This article is part of Lids & seals, in Stoppers, caps & closures.
Key features
- Pack size: 5 pc(s)
- Material: Silicone ring with double-sided PTFE cuff
- Thread size: GL 18
- Dimensions (Ø outer × Ø inner × height): 16 × 8,0 × 4,6 mm
- Suitable tube Ø: 7,5–9,0 mm
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Questions about BOLA Double-sided gaskets, GL 18, Ø 16 x Ø 8 mm SILICONE-ring with double-sided
What is this article?
BOLA Double-sided gaskets, GL 18, Ø 16 x Ø 8 mm SILICONE-ring with double-sided 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.