5pcs Length 20cm 25cm 20cm Drain Rods, High Borosilicate Glass Rod, Diameter 10mm Glass Stir Sticks for Cocktails(250mm)

Stirring rod has a certain thermal conductivity, heat transfer experiments can help to demonstrate the phenomenon more intuitive Includes 5pcs of High Borosilicate Glass Rods Glass rods are less prone to adsorption of dirt and are particularly pure in connection with reagents It is easy to dip the glass rod into the reagent, and easy to take a small amount of sample, so it is very handy for inspection The stirring of the leaching rod is gentle, will not destroy the reaction state, and the experimental environment is more stable