Kneadable balancing mass | Fast processing without tools WEICON balancing putty is an easy-to-use, cold-curing 2-component epoxy resin system. The kneading resin is specifically designed for balancing anchors for electric motors. This type of balancing offers a number of advantages over machining processes such as drilling or milling. No tools are required to process the balancing putty. No work on the anchor package is necessary.