Description
Adapter for 1 × 85/100 mL round-bottom vessel is a centrifuge accessory that seats one round-bottom tube of 85/100 mL capacity in 100 mL round buckets of rotor A-4-38. Vessel dimensions are given as 38 mm × 106 mm, defining the geometric interface between the tube and the adapter. Supplied packed as 2 pieces, the set equips paired bucket positions for consistent loading during centrifugation runs. This accessory supports laboratory workflows that require larger round-bottom vessels in the A-4-38 rotor with 100 mL round buckets. Pack characteristics include a net weight of 0,027 kg, a gross weight of 0,030 kg and a packaging volume of 0,001 m³. From manufacturer Eppendorf, the adapter provides the stated fit for 85/100 mL round-bottom formats without altering the rotor or bucket specification. It is grouped with centrifuge accessories and is intended solely for the vessel type, size and rotor–bucket combination described. Laboratories using rotor A-4-38 can employ this adapter where secure placement of a single 85/100 mL round-bottom vessel per 100 mL round bucket is required according to the manufacturer data.
This article is part of Rotor adapters & accessories, in Centrifuges.
Key features
- Pack size: 2 pc(s)
- Vessel type: 1 × 85/100 mL round-bottom
- Compatible rotor: A-4-38
- Bucket type: 100 mL round buckets
- Dimensions: 38 mm × 106 mm
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Questions about Adapter 1x85/100ml wrapped (2x)
What is this article?
Adapter 1x85/100ml wrapped (2x) 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.
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.
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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.

