A "Green" Formula! No zinc. No heavy metals. No glycol ether. No formaldehyde. Low silicone. Very low ammonia. Glacier contains no ingredients suspected or known to negatively affect water treatment and purification systems.Glacier is a the result of state-of-the-art polymer technology coupled with over 35 years of finish formulation expertise. Exceptional clarity, resulting in depth of gloss and superior durability, is the trademark of this high performance finish.