Nano Shield™ Advanced Floor Finish is a self cross linking co-polymer resin system, enhanced with nano particles of aluminum oxide, providing ultimate protection in a water base clear finish. It is an extremely durable interior clear finish that is ideal for coating and protecting hardwood floors and other interior wood surfaces. Nano Shield™ Advanced Floor Finish flows and levels exceptionally well on any wood surface. Nano Shield™ Advanced Floor Finish dries clear and is non-yellowing – ideal for maintaining the true natural color of wood.