This PTFE magnetic stir bar with a center ring has a diameter of 13 mm and a length of 80 mm, making it suitable for stirring larger volumes and more viscous liquids. The center ring improves stability inside the vessel, reduces slipping, and enhances turbulence, ensuring efficient mixing. Constructed from chemically resistant PTFE, it withstands a wide temperature range and is compatible with most laboratory chemicals. Product Details Feature Specification Shape Cylindrical with center ring Dimensions 13 mm diameter × 80 mm length Material PTFE (Polytetrafluoroethylene) Temperature Range –200 °C to 260 °C Magnetic Core Strong, high-quality magnet Chemical Resistance Excellent – resistant to most lab chemicals Applications Stirring of larger volumes, viscous solutions, stable mixing Thanks to its ringed design, this stir bar delivers improved mixing efficiency and is ideal for demanding laboratory applications in chemistry, biology, and pharmaceutical research.
