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The HAI JU triangle shape magnetic stirrer bar completely redefines this interaction through its physical scraping action. Designed with a flat-sided triangular cross-section, the sharp bottom edge of the bar maintains close, consistent contact with flat-bottomed containers. As the magnet spins, it doesn't just slide; it sweeps the container floor like a industrial scraper blade. This constant mechanical shearing action lifts heavy particles before they can bond or bake onto the hot glass surface, instantly pushing aggregated materials back up into the active vortex for complete, uniform suspension.
Product Overview
Tired of watching heavy powders, crystalline precipitates, or dense catalysts accumulate into a stubborn cake at the bottom of your beaker? Standard cylindrical magnets simply roll over these deposits, leaving them completely unmixed. The HAI JU triangle shape magnetic stirrer bar delivers a powerful engineering fix for this exact limitation. Completely encapsulated in premium virgin Teflon, these heavy-duty PTFE stirrer bars feature distinct wedge-shaped edges that act as a continuous mechanical scraper during rotation. Driven by an internal high-strength NdFeB permanent magnet, this specialized triangular magnetic stir bar effectively disrupts the solid-liquid interface barrier. It is the absolute ideal choice for demanding chemical reagent stirring and heavy semi-fluid stirring environments where particle agglomeration must be prevented.
| Diameter × Length |
| 6×12mm |
| 8×20mm |
| 8×25mm |
| 9×35mm |
| 12×50mm |
| 14×40mm |
| 14×55mm |
| 14×80mm |
| 36×110mm |
| 36×136mm |


Detailed Description: Breaking the Boundary Layer via Physical Scraping
In analytical chemistry, pharmaceutical compounding, and industrial product development, solid particle settling introduces major testing errors. When a chemical reaction yields heavy precipitates or involves insoluble powders, gravity pulls these materials to the vessel floor. Standard smooth stirrers create a localized liquid current above the solids but lack the mechanical geometry to break up the dense boundary layer forming on the container base.
The HAI JU triangle shape magnetic stirrer bar completely redefines this interaction through its physical scraping action. Designed with a flat-sided triangular cross-section, the sharp bottom edge of the bar maintains close, consistent contact with flat-bottomed containers. As the magnet spins, it doesn't just slide; it sweeps the container floor like a industrial scraper blade. This constant mechanical shearing action lifts heavy particles before they can bond or bake onto the hot glass surface, instantly pushing aggregated materials back up into the active vortex for complete, uniform suspension.
Core Features & Technical Advantages
Scraper-Inspired Anti-Settling Profile: The wedge-shaped sharp edges continuously sweep the container bottom, preventing solids from compacting, baking, or adhering to the glass.
Solid-Liquid Interface Disruption: Actively breaks the diffusion barrier, redistributing heavy precipitates, powders, and fibers uniformly back into the solvent.
Low-Speed High-Mass Agitation: Delivers high-efficiency material suspension even at lower rotational speeds, preventing rapid splashing and excessive sample aeration.
Unrivaled NdFeB Neodymium Core: Built around a high-coercivity rare-earth permanent magnet that guarantees a rock-solid, synchronous connection with your laboratory stirrer drive plate.


Technical Specifications
| Item | Specification |
| Brand Name | HAI JU |
| Product Name | Magnetic Stirrer Bar - Triangle Shape |
| Internal Material | NdFeB magnet |
| External Material | PTFE/Teflon |
| Temperature Resistant | -200~110℃ |
| Place of Origin | Zhejiang Province, China |
Deep-Dive Material Integrity & Thermal Shielding
When dealing with extended heated synthesis cycles or exothermic reactions, the physical and chemical endurance of your tools is paramount. Lower-grade magnetic bars often feature thin coatings that degrade under continuous friction against crystalline solids, creating micropores that allow acids to corrode the inner magnet.
HAI JU safeguards your workflow by employing a specialized heavy-wall isothermal compression molding process. Our PTFE stirrer bars are completely encased in a seamless, non-porous Teflon shell. This premium material functions as a flawless acid-resistant stir bar and alkali-resistant magnetic stirrer that will not swell, crack, or flake under intense abrasive stress. Because the exterior is completely non-stick, complex pigments, heavy petroleum lipids, and sticky organic oils slide right off during standard cleanup, leaving zero cross-contamination carryover behind.
Broad Multi-Industry Applications
Chemical Industry & Synthetic Research: Essential for intensive chemical reagent stirring involving heavy metal catalysts, crystalline salts, or reactions prone to severe precipitation.
Pharmaceutical Compounding & Biotech: Fully satisfies international cleanroom safety standards; the non-adsorbent surface prevents molecular contamination during high-purity sterile drug formulation.
Industrial Product Development: Perfectly balanced to manage viscous semi-fluid stirring tasks, pigment blending, and suspensions containing abrasive solid fibers.
Food Testing & Agriculture Assays: Prevents dense starches, sugars, and grain lipids from adhering to the container base during automated quality control cycles.
Petrochemical Processing: Stands up to prolonged, continuous contact with aggressive organic media, volatile halogenated hydrocarbons, and corrosive hydrogen sulfide.
Strategic Commercial Value for B2B Wholesalers & Distributors
Partnering directly with the HAI JU manufacturing facility in Zhejiang provides international procurement managers, lab suppliers, and global wholesalers with clear strategic advantages:
Direct Factory Pricing Structure: By bypassing middleman brokers and trading companies, you capture the lowest possible baseline cost to maximize your local market retail markup margins.
Low MOQ Flexibility: HAI JU supports smaller, niche laboratory suppliers by offering low minimum order quantities, protecting your cash flow from heavy upfront inventory blockages.
Full OEM & Technical Customization: Need a highly specific length, unique wedge angle, or an ultra-thick magnetic core for automated micro-reactors? Our engineering team provides full design freedom.
Fourteen Years of Reliable Global Logistics: HAI JU brings over 14 years of cross-border trading experience to the table, ensuring rapid sample packaging, secure transport, and smooth ocean or air freight directly to North American and European 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;
The HAI JU triangle shape magnetic stirrer bar completely redefines this interaction through its physical scraping action. Designed with a flat-sided triangular cross-section, the sharp bottom edge of the bar maintains close, consistent contact with flat-bottomed containers. As the magnet spins, it doesn't just slide; it sweeps the container floor like a industrial scraper blade. This constant mechanical shearing action lifts heavy particles before they can bond or bake onto the hot glass surface, instantly pushing aggregated materials back up into the active vortex for complete, uniform suspension.
Reliable support including installation, calibration, spare parts, and prompt technical response for laboratory equipment.
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Please tell us about your company's advantages and characteristics.
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