Features Specifications:Sell Stirring Rod lab glassware  Stirring rods are usually made of glass. Stirring rods are used to stir mixtures and facilitate the pouring of liquids. Glass is the material of choice for stirring rods due to its resistance to chemical reactivity. When placed across the top of a beaker so that it lies along the spout, stirring rods can help prevent the liquid being poured from dribbling down the outside of the container.