CALANDIS® PTFE Magnetic Stir Bar 3x5mm - Lab Grade Stirring Rod for Chemistry Experiments, Science Research & Mixing Solutions - Ideal for Beakers, Flasks & Laboratory Use

Description:These stir bars are magnetic, and coated in PTFE, no harm to human body, and heat resistant to 250 celsius degreeThe PTFE coatings are intended to be chemically inert, not contaminating or reacting with the reaction mixture they are inPlain (round) magnetic stirring bars have nosharp or flat edges which maximizescontact with the stirring vessel, is a popular general-purpose choiceMagnetic stirrers can only be used for relatively small experiments of 4 liters or less.The mixing process is quieter and more efficient, and the stirrer is not exposed to the external transmission component so it is not easily damagedStir bars help to build a relatively economical, environmentally friendly, and safe device that can greatly save manpower and reduce the use rate of flames, and relatively improve the safety of laboratories and home brewingSpecification:The forepart number refers to the diameter of stir bar, and the latter refers to the overall length.Package Includes:1 Piece stir bar