Product Overview

Struggling with spin-outs, decoupling, or weak vortex creation in your small-volume vials and test tubes? Standard smooth cylindrical bars often fail when fluids get thick or vessels get narrow. The HAI JU B-1 type octagonal magnetic stir bar is engineered to eliminate these exact laboratory bottlenecks. Featuring a premium NdFeB magnetic core encapsulated in high-density virgin PTFE, this multi-faceted Teflon stirrer bar delivers exceptional coupling strength and highly turbulent mixing action. Whether you are dealing with aggressive alkaline liquid stirring, harsh chemical synthesis, or viscous semi-fluid stirring, HAI JU provides the reliable stability your benchtop reactions demand.

Detailed Description: Solving the Challenges of Micro-Scale Fluid Dynamics

In small-scale chemical synthesis and automated analytics, fluid drag can easily overpower a low-grade magnet, causing it to stall out or spin erratically. HAI JU engineers solved this fundamental fluid dynamics problem by radically rethinking the shape and weight-to-magnetic-force ratio of the traditional stirrer.

The B-1 type utilizes a unique eight-sided geometry. As the PTFE magnetic stirrer spins, these sharp octagonal facets act like a series of built-in mini paddles. Instead of just sliding through the liquid and creating a weak laminar loop, the facets actively disrupt the fluid layer, generating deep horizontal and vertical cross-flow currents. This allows you to achieve thorough homogenization and particle suspension at significantly lower rotational speeds. It is the absolute ideal setup for blending delicate biological samples or heavy emulsions without introducing unwanted air bubbles or causing sample aeration.

Key Product Features

Faceted High-Turbulence Geometry: The multi-angled octagonal surface provides superior mechanical agitation compared to smooth cylindrical designs, making it highly effective for multi-phase solutions and complex fluid blending.

Friction-Optimized Pivot Ring: A center-molded pivot ring lifts the edges of the Teflon stirrer bar away from the container floor. This minimizes surface drag, reduces drive motor torque, and completely eliminates baseline wobbling.
Heavy-Duty NdFeB Core: Utilizing premium rare-earth neodymium permanent magnets rather than cheap Alnico alternatives ensures a rock-solid magnetic lock that won't decouple, even at high RPMs or under high temperatures.
Zero-Carryover Ultra-Smooth Exterior: The non-stick, non-porous pure Teflon jacket ensures that aggressive pigments, heavy lipids, and complex proteins rinse off entirely during standard cleaning protocols, protecting your workflow from cross-contamination.



Technical Specifications

Specialized Engineering Advantages

Standard laboratory magnets often lose their magnetic charge when exposed to high-temperature reaction steps on hotplates over extended periods. HAI JU addresses this vulnerability by selecting high-coercivity NdFeB cores. This guarantees long-term magnetic stability, meaning that even during multi-day, heated synthesis cycles under highly corrosive conditions, your magnetic stirrer bar retains its exact alignment and constant rotational speed. Furthermore, the single-point contact provided by the center pivot ring protects delicate custom glass or plastic containers from frictional wear and micro-scratches.

Multi-Industry Applications

Chemical Industry & Research: Highly recommended for challenging acidic liquid stirring and alkaline liquid stirring tasks, as well as prolonged contact with volatile aromatics, halogenated hydrocarbons, and hydrogen sulfide.
Pharmaceutical & Biotech Synthesis: The biologically inert PTFE surface prevents any molecular adsorption or chemical leaching, satisfying strict sterile and high-purity clinical lab compounding requirements.
Food Testing & Quality Control: Facilitates clean, residue-free mixing of heavy dairy lipids, thick viscous syrups, and concentrated food coloring dyes.
Environmental & Life Science Analytics: Perfectly configured for small-volume liquid stirring within water quality assay vials, sample test tubes, and automated testing machinery.

Commercial Value for Global B2B Distributors & Wholesalers

Sourcing laboratory consumables directly from the HAI JU production facility in Zhejiang provides global procurement managers, niche lab suppliers, and wholesalers with a massive competitive edge:
Direct Factory Pricing: By cutting out intermediate domestic trading companies and international brokers, you unlock maximum wholesale or retail markup margins for your local market.
Low Minimum Order Quantities (MOQs):HAI JU supports growing businesses by offering flexible, low MOQ structures, allowing you to optimize your cash flow and reduce warehouse inventory pressures.
Professional Customization Services: We provide full design and engineering freedom. HAI JU can easily customize the bar length, facet angles, or internal magnetic strength to match your proprietary automated instrument lines.
Experienced Cross-Border Logistics: Backed by over 14 years of dedicated global trade experience, HAI JU coordinates fast, secure express courier delivery for samples and economical ocean freight direct to major global logistics hubs.

Frequently Asked Questions (FAQ)

Q1:How about the payment?
A1:1. Amount less than $1000, You can pay for the order by Paypal, western Union;
     2. Amount more than $1000, You can pay for the order by T/T;
     3. Alibaba trade assurance paid;

Q2:How about the delivery time?
A2:1. For Sample order will be prepared within 7 Days;
     2.For bulk order, normally,it needs 14-30days, it is based on your quantity;

Q3:How about the shipping?
A3:1. For sample order, it would sent by express company like UPS, Fedex ,TNT ect. We have strong cooperation with them and if you have express collected account, you will no need to pay us;
     2.For bulk order, it would sent by sea. We have our cooperation forwarder and you also can use your forwarder;

Q4:How about your after service?
A4:1. Reply within 24 hours;
     2. All products will undergo strict quality inspection and good packaging before shipment;
     3. If you order a whole box and the damage exceeds 2%, we will replace you next time;
     4. Online technical support, operation tutorial videos;

Q5:Why choose us?
A5:1. On-time delivery;
     2. More than 14 years of trading experience;
     3. Lowest factory price with high quality;
     4. Low MOQ for small business;
     5. Meet safety standard for Europe and USA;
     6. Professional customized technology;
     7. Can offer Professional shipping agent to help you send the goods of safe and quickly;