resistance, for most chemicals and solvents that show, inert, to acid and , water and various organic solvents. Magnetic stir bar retrievers are coated with PTFE covering, which is chemically inert. It can effectively helps you easily pick up your stir bars from the bottom of containers. Perfect for chemistry and biology research, home-laboratory use, home to make a , or tinctures salves. The product is widely used in the , scientific research and experiments etc., Weight: 0.0992080179 Pounds, Manufacturer: Disttocate