Description
BOLA double-sided seals for GL 18 threads combine a silicone ring with a double-sided PTFE cuff so that process media contact only PTFE in use. Outer diameter is 16 mm, inner diameter 10,0 mm and height 4,6 mm, matching tube diameters from 9,0 mm to 11,0 mm. The PTFE-facing design supports chemically demanding laboratory connections where a reliable, inert sealing surface is required on both sides of the seal. Supplied as a pack of 10 pieces with a net weight of 0,0008 kg per unit, these compact seals fit standard GL 18 laboratory glassware and tubing setups. Material construction is based on polytetrafluoroethylene (PTFE) at the wetted interface, giving the chemical resistance expected in analytical and preparative work. Dimensions and thread size from manufacturer Bohlender align with common GL laboratory fittings, making the seals straightforward to integrate into existing apparatus without altering connection geometry. Suitable for routine sealing tasks where silicone elasticity and PTFE media contact must be combined in one component.
This article is part of Lids & seals, in Stoppers, caps & closures.
Key features
- Pack size: 10 pc(s)
- Thread size: GL 18
- Dimensions (Ø outer x Ø inner x H): 16 x 10,0 x 4,6 mm
- Suitable tube Ø: 9,0–11,0 mm
- Design: Silicone ring with double-sided PTFE cuff
- Material: (wetted): Polytetrafluoroethylene (PTFE)
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Questions about BOLA Double-sided gaskets, GL 18, Ø 16 x 10 mm SILICONE-ring with double-sided P
What is this article?
BOLA Double-sided gaskets, GL 18, Ø 16 x 10 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.