Description
Cold trap 500 ml, one-piece construction, is a borosilicate glass 3.3 laboratory vessel for condensing and collecting vapours in vacuum and process lines. The upper opening carries a GL 45 thread with closure cap, while the lateral ports use GL 14 threads fitted with screw connection caps and straight plastic olives of 8,6 mm (PP). This configuration supports flexible tubing attachment and secure sealing during cold-trap operation. With a working volume of 500 ml and a net weight of 0,510 kg, the one-piece design reduces potential leak points compared with multi-part assemblies. Manufactured by Rettberg, the trap is suited to routine laboratory vacuum work, solvent recovery and protection of pumps from condensable vapours. Supplied as a single piece, it integrates readily into existing glassware trains that use GL threaded connections. Borosilicate glass 3.3 provides the thermal and chemical resistance expected for cold-trap service under typical laboratory conditions, making the unit a practical choice for research and preparative setups requiring a compact, fully equipped cold trap.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
Key features
- Pack size: 1 pc
- Capacity: 500 ml
- Construction: One-piece
- Material: Borosilicate glass 3.3
- Top connection: GL 45 with closure cap
- Lateral connections: GL 14 with screw caps and straight PP olives 8,6 mm
- Technical Information Sheet:
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Questions about Cooling trap, 500 ml, one-piece, GL 45 side connections thread GL 14
What is this article?
Cooling trap, 500 ml, one-piece, GL 45 side connections thread GL 14 is the article on this page. Luminix Health distributes Rettberg for laboratory use. It sits in Screw caps & closures, inside Stoppers, caps & closures, in Matériel de laboratoire.
A screw cap has a thread and a liner. The thread has to match the bottle. The liner has to survive the liquid: a pulp liner fails in a solvent that a PTFE-faced liner ignores. The colour of the cap is not the specification.
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 Screw caps & closures. The catalogue is Matériel de laboratoire.
Shelves beside this one are Rubber & silicone stoppers, Ground-joint glass stoppers, Lids & seals 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.