Enviro Shine ZF is an environmentally friendly zinc free floor finish that produces a durable finish with an outstanding rich gloss, and has superb leveling and black heel mark resistance. Enviro Shine ZF is very popular in the health care industry because of its low odor and is easy to use in occupied areas. It is suitable for both conventional and high speed buffing programs. pH: 7-9. Dilution: RTU. Appearance: Milky White. Odor: Bland.