A high quality, low V.O.C., low odor, zinc free floor seal and finish. ZF 33 Zinc-Free Seal & Finish contains no heavy metals, formaldehyde, ammonia or nonylphenol surfactants. It exhibits a deep wet look gloss and it can be incorporated into any floor maintenance program. High levels of zinc have been found to be toxic to aquatic life. Opaque, Off-White Liquid, Acrylic Odor.