Description
Adapter 8 × 18 mL is a centrifuge accessory configured for eight round-bottom vessels in the 7–18 mL range. It is intended for use with 250 mL rectangular buckets in rotor A-4-62, allowing laboratories to process smaller round-bottom tubes within that bucket format. The unit is supplied packed as 2 pieces, supporting paired installation for balanced rotor loading. Net weight is 0,424 kg and gross weight is 0,471 kg, with a packaging volume of 0,002 m³. This adapter from manufacturer Eppendorf belongs to the centrifuge accessories range and is suited to routine sample handling where multiple 7–18 mL round-bottom tubes must be centrifuged together in A-4-62 setups. Typical laboratory contexts include sample preparation, fractionation, and general benchtop centrifugation workflows that already employ 250 mL rectangular buckets. The design focuses on secure tube seating for the stated volume range so that operators can match tube geometry to the rotor and bucket combination without changing the core rotor hardware. Origin is Germany. Dual-use classification is not applicable. Use only with the specified rotor and bucket type to maintain correct fit and operational consistency in daily laboratory practice.
This article is part of Rotor adapters & accessories, in Centrifuges.
Key features
- Pack size: 2 pc(s)
- Tube format: 8 round-bottom vessels 7–18 mL
- Compatible rotor: A-4-62
- Bucket type: 250 mL rectangular buckets
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Questions about Adapter 8x18ml, verp.
What is this article?
Adapter 8x18ml, verp. is the article on this page. Luminix Health distributes Eppendorf for laboratory use. It sits in Rotor adapters & accessories, inside Centrifuges, in Lab instruments.
An adapter lets a rotor spun for large tubes accept smaller ones. The adapter has to be the one for that rotor, and the tubes have to be supported at the shoulder the adapter was designed for. A stack of the wrong inserts is an unbalanced load.
A centrifuge separates by density. The rotor spins the sample and the force is reported as a multiple of gravity, not as a raw speed, because the same revolutions per minute are a different force at a different radius. A microcentrifuge takes small tubes. A benchtop or floor model takes larger rotors. The tube, the adapter and the rotor have to be the combination the manufacturer rated. An unbalanced load is how centrifuges fail. Measurement of the related quantities sits with the BIPM.
Which category should I open next?
The category is Centrifuges. The sub-category is Rotor adapters & accessories. The catalogue is Lab instruments.
Shelves beside this one are Rotors, Benchtop & floor-standing centrifuges, Microcentrifuges & mini centrifuges and Centrifuge accessories.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

