--- product_id: 487719235 title: "Magnetic Stir Bar Set,7pcs Lab Type-B Mixed Size PTFE Magnetic Stirrer Mixer Stir Bars" brand: "haocheng" price: "125.99 DT" currency: TND in_stock: true url: https://www.desertcart.tn/products/487719235-magnetic-stir-bar-set-7pcs-lab-type-b-mixed-size store_origin: TN region: Tunisia --- # Heat resistant up to 250°C 7 versatile sizes for precise stirring Operates down to -196°C, ultra-cold ready Magnetic Stir Bar Set,7pcs Lab Type-B Mixed Size PTFE Magnetic Stirrer Mixer Stir Bars **Brand:** haocheng **Price:** 125.99 DT **Availability:** ✅ In Stock ## Summary > 🧬 Stir Smarter, Not Harder – The Ultimate Magnetic Mix Master ## Quick Answers - **What is this?** Magnetic Stir Bar Set,7pcs Lab Type-B Mixed Size PTFE Magnetic Stirrer Mixer Stir Bars by haocheng - **How much does it cost?** 125.99 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/487719235-magnetic-stir-bar-set-7pcs-lab-type-b-mixed-size) ## Best For - haocheng enthusiasts ## Why This Product - Trusted haocheng brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Teflon coating ensures chemical resistance and longevity - • **Lab-Grade Versatility:** Ideal for biological, chemical, medical, and research applications - • **Vibration-Free Mixing:** Pivot axle design minimizes wear and noise during use - • **Precision in Every Spin:** 7 mixed-size PTFE-coated bars for tailored lab stirring - • **Extreme Temperature Tolerance:** Reliable performance from cryogenic lows to high-heat reactions ## Overview This Magnetic Stir Bar Set includes 7 PTFE-coated bars in varied sizes (5x10mm to 9x35mm), designed for efficient stirring in professional labs. Featuring a built-in pivot axle to reduce vibration and wear, these bars resist acids, alkalis, and organic solvents, and withstand temperatures from -196°C to 250°C, making them indispensable for precise, durable mixing across scientific disciplines. ## Description Description： 1.Size:5*10mm/6*12mm/8*20mm/7*25mm/8*28mm/8*30mm/9*35mm ( diameter x length). 2. Quantity: 7pcs. 3. Shape: Cylinder with pivot 4. Material: PTFE (Polytetrafluoroethylene). ## Features - Size:5*10mm/6*12mm/8*20mm/7*25mm/8*28mm/8*30mm/9*35mm Stirrer Mixer Stir Bar Used to stir a liquid or solution in biological, chemical, medical and research laboratory applications. - Stir bars are coated with Teflon (PTFE) covering, built-in pivot axle helps to reduce vibration and wear during stirring. - With acid and alkali resistance, resistant to a variety of organic solvents, almost insoluble in solvents. - High temperature up to 250 ℃, low temperature up to -196 ℃. ## Technical Specifications | Specification | Value | |---------------|-------| | Material | Polytetrafluoroethylene | | Brand | haocheng | | Colour | white | | Shape | Cylindrical | | Number of Pieces | 7 | | Manufacturer | Shenzhen Haocheng Instrument Co., Ltd | | UPC | 768399555258 | | Country of Origin | USA | | Model number | PTFE-B | | Number of Memory Sticks | 7 | | Item Weight | 32 g | | Package Dimensions | 5.59 x 3.4 x 1.09 cm; 32 g | | Item model number | PTFE-B | | Included Components | Stir Bars | | Are batteries included? | No | ## Product Details - **Material:** Polytetrafluoroethylene - **Brand:** haocheng - **Colour:** white - **Shape:** Cylindrical - **Number of Pieces:** 7 ## Images ![Magnetic Stir Bar Set,7pcs Lab Type-B Mixed Size PTFE Magnetic Stirrer Mixer Stir Bars - Image 1](https://m.media-amazon.com/images/I/41jhr4INHuL.jpg) ![Magnetic Stir Bar Set,7pcs Lab Type-B Mixed Size PTFE Magnetic Stirrer Mixer Stir Bars - Image 2](https://m.media-amazon.com/images/I/419HMD9XtrL.jpg) ![Magnetic Stir Bar Set,7pcs Lab Type-B Mixed Size PTFE Magnetic Stirrer Mixer Stir Bars - Image 3](https://m.media-amazon.com/images/I/51zowS7VB-L.jpg) ![Magnetic Stir Bar Set,7pcs Lab Type-B Mixed Size PTFE Magnetic Stirrer Mixer Stir Bars - Image 4](https://m.media-amazon.com/images/I/51d7hNc41CL.jpg) ![Magnetic Stir Bar Set,7pcs Lab Type-B Mixed Size PTFE Magnetic Stirrer Mixer Stir Bars - Image 5](https://m.media-amazon.com/images/I/41jmacpZkvL.jpg) ## Frequently Bought Together - CHSZCHC Magnetic Stir Bar Set,7pcs Lab Type-B Mixed Size PTFE Magnetic Stirrer Mixer Stir Bars - ONiLAB Glass Measuring Beaker Set 50ml 100ml 250ml 500ml 1000ml(Pack of 5) 3.3 Boro Griffin Low Form with Printed Graduation Scientific Glassware for Laboratories, Classrooms or Home Use --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/487719235-magnetic-stir-bar-set-7pcs-lab-type-b-mixed-size](https://www.desertcart.tn/products/487719235-magnetic-stir-bar-set-7pcs-lab-type-b-mixed-size) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-05-06*