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Item Size CS-ZC0510 C 5*10mm CS-ZC0610 C 6*10mm CS-ZC0312 C 3*12mm CS-ZC0615 C 6*15mm CS-ZC0815 C 8*15mm CS-ZC0718 C 7*18mm CS-ZC0620 C 6*20mm CS-ZC0720 C 7*20mm CS-ZC0625 C 6*25mm CS-ZC0725 C 7*25mm CS-ZC0825 C 8*25mm CS-ZC0630 C 6*30mm CS-ZC0730 C 7*30mm CS-ZC0830 C 8*30mm CS-ZC0835 C 8*35mm CS-ZC0840 C 8*40mm CS-ZC0845 C 8*45mm CS-ZC0305 C 3*5mm CS-ZC0850 C 8*50mm CS-ZC0307 C 3*7mm CS-ZC0309 C 3*9mm CS-ZC0515 C 5*15 CS-ZC0635 C 6*35 CS-ZC1250 C 12*50 CS-ZC1755 C 17*55 CS-ZC0960 C 9*60 CS-ZC0970 C 9*70 CS-ZC0980 C 9*80 CS-ZC1480 C 14*80 CS-ZB0306 B 3*6 CS-ZB0510 B 5*10 CS-ZB0515 B 5*15 CS-ZB0715 B 7.5*15 CS-ZB0820 B 8*20 CS-ZB0725 B 7*25 CS-ZB0825 B 8*25 CS-ZB0828 B 8*28 CS-ZB0730 B 7*30 CS-ZB0830 B 8*30 CS-ZB0734 B 7*34 CS-ZB0935 B 9*35 CS-ZB0840 B 8*40 CS-ZB0845 B 8*45 CS-ZB1136 B 11*36 CS-ZB1048 B 10*48.5 CS-ZB1152 B 11*52 CS-ZB1057 B 10*57 CS-ZB1060 B 10*60 CS-ZB1070 B 10*70 CS-ZB1010 B 10.5*100 CS-ZA0610 A 6*10 CS-ZA0715 A 7*15 CS-ZA0820 A 8*20 CS-ZA1025 A 10*25 CS-ZA1128 A 11*28 CS-ZA1130 A 11*30 CS-ZA1235 A 12*35 CS-ZA1540 A 15*40 CS-ZA2070 A 20*70 Universal PTFE magnetic stir bar built with a strong alloy magnet core and premium white PTFE coating. Designed with a central pivot ring, this magnetic stirrer bar delivers stable and efficient spinning performance even on curved or uneven vessel bases. Featuring full chemical inertness, 260°C high temperature resistance and autoclavable capability, the smooth-surface stir bar fits all standard magnetic stirrers and hotplate stirrers for universal laboratory stirring applications.
Full Product Description
Premium Alloy Magnet & PTFE Coating Construction
This professional magnetic stir bar adopts a dual-layer high-quality structure, featuring a robust strong alloy magnet core and a uniform white PTFE outer coating. The high-performance alloy magnet provides powerful and stable magnetic force, ensuring continuous and reliable rotation during stirring operations. The integrated PTFE coating boasts ultra-smooth surface finish, effectively preventing sample adhesion, residue buildup and cross-contamination. The seamless coating process avoids peeling or flaking during long-term use, maintaining experimental purity and accuracy.
Unique Central Pivot Ring Design
Different from ordinary straight stir bars, this magnetic stir bar is equipped with a precision central pivot ring. The specialized structural design effectively balances the rotation gravity, enabling ultra-stable and efficient spinning. It perfectly solves the problem of shaking, offset and unstable rotation caused by curved bottoms, uneven vessel bases and irregular container surfaces. It greatly improves stirring uniformity and efficiency, ensuring thorough mixing of laboratory solutions in various container types.
Excellent Chemical & High Temperature Resistance
With full PTFE cladding, this stir bar features outstanding chemical inertness, resisting corrosion from virtually all laboratory acids, alkalis, organic solvents and corrosive reagents. It will not react with experimental samples, ensuring zero contamination and pure experimental results. It supports continuous high-temperature operation up to 260°C, perfectly adapting to high-temperature heating stirring experiments on hotplate stirrers. Meanwhile, it is fully autoclavable, supporting high-temperature and high-pressure sterilization for repeated safe use.
Universal Compatibility & Stable Performance
Featuring a smooth burr-free surface and standard universal size design, this PTFE stir bar is compatible with all conventional magnetic stirrers and hotplate stirrers in laboratories. It delivers stable operation, uniform rotation and no noise during stirring, suitable for low-speed and high-speed mixing work. The durable structure is not easy to deform or demagnetize after long-term repeated use, with stable magnetic force and long service life.
Wide Laboratory Application Scenarios
This versatile PTFE magnetic stir bar is an essential universal accessory for chemical laboratories, biological labs, pharmaceutical research, environmental testing institutions and university scientific research experiments. It is widely used for solution mixing, reagent dissolution, uniform stirring, sample preparation and constant-temperature stirring experiments, adapting to various conventional and special laboratory stirring scenarios.
Core Key Features
✅ Strong alloy magnet core provides stable & powerful magnetic stirring force
✅ Premium white PTFE coating, smooth surface & non-adhesive
✅ Central pivot ring design for stable spinning on curved/uneven bases
✅ Excellent universal chemical resistance against most lab reagents
✅ High temperature resistance up to 260°C for hotplate stirring work
✅ Fully autoclavable, reusable & easy to sterilize
✅ Zero contamination, ensure pure & accurate experiment results
✅ Universal fit for all standard magnetic stirrers & hotplate stirrersProduct Specifications
Inner Core Material: High-strength Alloy Magnet
Outer Coating Material: High-purity White PTFE (Teflon)
Structural Feature: Built-in Central Pivot Ring
Max Resistant Temperature: 260°C
Sterilization Method: Autoclavable
Surface Condition: Ultra-smooth, Residue-free
Compatibility: Universal for All Magnetic Stirrers & Hotplate Stirrers
Performance: Chemical Resistant, Stable Rotation, Reusable
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