Below is a list of Dip Molders manufacturers from St. Charles, Illinois. Dip molders form plastic parts and objects by dipping a mandrel or a mold into a liquid plastic material and letting the material set around the shape of the mold. Dip molding is a popular manufacturing method because it is cost-effective and energy efficient, and has high turnover rates depending on the size of the dip molder used. There is minimal material wastage and most molds are simple and inexpensive to make, taking away the costs of manufacturing expensive dies.