Modapelle Style February 2018 | Editorial In 2018 OOK will launch its first series of stainless steel zippers. The technology behind it is revolutionary but the real break through is in terms of performance and resilience. Low reactivity, resistance to tarnish, excellent durability Stainless steel is mainly an alloy of iron, carbon and chromium, which makes it highly resistant to rust or corrosion. The stainless steel passivation process chemically removes these free irons an