In life sciences and biotechnology, magnetic separation technology has become an indispensable part of sample purification, cell sorting, nucleic acid extraction, and more. The magnetic bead separation rack, as the core tool for magnetic separation, directly determines experimental reproducibility and productivity through its design rationality, magnetic field uniformity, and adaptability. With years of deep expertise in magnetic separation technology, Carbonlinkai started from the “column‑free magnetic bead separation rack” and has built a widely recognized series of circular magnetic bead separation racks, becoming a long‑term partner of many leading enterprises and research institutions.
A column‑free magnetic bead separation rack that truly understands experimental needs

Some conventional magnetic bead separation racks can present limitations due to structural design, such as bead carryover, risk of cross‑contamination, or inconvenient handling. Carbonlinkai ’s column‑free magnetic bead separation rack eliminates the cumbersome post structure and adopts an integrated high‑density magnetic field layout. This design allows magnetic beads to settle quickly and evenly onto a defined area of the tube wall, so the supernatant can be removed in a single aspiration, delivering a clean target. For demanding applications like cell sorting and protein purification, the column‑free structure means lower non‑specific binding and higher yield.
Meanwhile, our circular magnetic bead separation rack features 360° surrounding magnetic field technology, addressing the uneven attraction often seen with standard flat racks. Whether you use 1.5 mL or 2.0 mL microcentrifuge tubes, or 15 mL and 50 mL centrifuge tubes, the circular rack provides balanced magnetic force, ensuring consistent and reliable results when processing multiple tubes simultaneously. Users from Tsinghua University and the University of Hong Kong have reported that in circulating tumor cell sorting and library construction experiments, the circular rack notably reduces hands‑on time and minimizes batch‑to‑batch variation.
Carbonlinkai : More than products – in‑depth OEM/ODM services
As a well‑established brand in magnetic separation technology, Carbonlinkai is recognized for its rapid response to customization needs. We understand that different kits and sample types place very different demands on a magnetic bead separation rack – magnetic flux, well layout, tube compatibility, and even appearance color can all influence the user experience. Therefore, Carbonlinkai positions itself as a trusted OEM/ODM partner for life science innovators worldwide, providing full engineering support from magnetic circuit simulation and mold design to small‑batch trial production and scaled‑up delivery.
OEM/ODM customization is available starting from just 50 units. Whether you are a startup or an industry leader, Carbonlinkai can provide a dedicated solution. To date, our column‑free magnetic bead separation racks and circular magnetic bead separation racks have been successfully matched with dozens of mainstream magnetic bead kits and have helped multiple customers optimize pre‑processing workflows on automated workstations.
Trusted by
Carbonlinkai products have earned the confidence of renowned institutions and enterprises, including:
Vazyme, BGI, MGI, CWBIO, Yeasen, Livzon, Tsinghua University, The University of Hong Kong, Peking Union Medical College Hospital, Novogene, Quanterix
These users have accumulated extensive application experience in molecular diagnostics, gene sequencing, drug discovery, and more. Carbonlinkai supports them with consistent magnetic bead separation rack quality and agile customization services, from laboratory research all the way to scaled production.
Why choose Carbonlinkai ?
Professional magnetic field design: Magnetic field strength optimized for different bead properties, ensuring fast separation while preserving bead activity.
Column‑free advantage: No dead angles for cleaning; autoclavable or chemically sterilizable to prevent cross‑contamination.
Patented circular rack layout: Multiple models available, compatible with mainstream centrifuge tubes and deep‑well plates.
Fast prototyping and delivery: Standard products ship within 24 hours; custom samples can be provided in as fast as 10 working days.
Rigorous quality control: Every batch undergoes magnetic field uniformity testing and load burn‑in tests.
Partner with Carbonlinkai to make magnetic separation easier
From a single circular magnetic bead separation rack in a university lab to OEM orders of thousands of units on a biotech production line, Carbonlinkai is always driven by the mission of helping life science innovators worldwide succeed. If you are looking for a reliable column‑free magnetic bead separation rack, or if you want to create a dedicated circular magnetic bead separation rack tailored to your kit, you are welcome to contact Carbonlinkai ’s technical team. Your customization journey can start with just 50 units. Let’s work together to raise the efficiency and quality of magnetic separation.
Carbonlinkai – your go‑to expert in customized magnetic bead separation racks and plates, a trusted OEM/ODM partner for life science innovators worldwide. A global top tier brand alternative – choose Carbonlinkai .




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