TOPINCN Magnetic Stirrers White PTFE Stir Bar Laboratory Chip 5 x 15 mm, Pieces

High Temperature Resistance: Maximum working temperature up to 250°C, ensuring reliable performance in high-heat laboratory applications and experiments Resistance: Stirring bars are inert to most s and solvents, including strong acids, alkalis, water and organic solvents, providing durability in various laboratory conditions High Lubrication Properties: Stirring bars feature the lowest coefficient of friction among solid materials, enabling smooth and efficient stirring operations Low Temperature Resistance: Maintains good mechanical toughness and retains 5% elongation even at temperatures as low as -196°C, suitable for cryogenic applications Non-Adhesive Surface: Features the lowest surface tension among solid materials and does not stick to any substance, ensuring easy cleaning and maintenance Premium PTFE Material: Made from white PTFE (polytetrafluoroethylene) material, providing superior inertness and long-lasting durability for laboratory use Compact Size Specifications: Measures 5 x 15 mm, making these magnetic stir bars suitable for small to medium-sized laboratory vessels and containers