RK-8876 is a defoamer developed by copolymerizing polysiloxane polyether with a special structural active synergist. This product has excellent anti foaming performance and stability. The special structure ensures that the compatibility of the system is unchanged and the performance is greatly improved. It has strong antifoaming and foam inhibition performance in waterborne epoxy, pure acrylic lotion, PVA, polyurethane lotion, especially during grinding and paint mixing