COA: 77.77 GBp
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Casa • Industry FAQs • Footwear FAQs

How do you measure the length of a zip?

There are many ways to measure the length of a zip, Coats Opti follow the British Standard Method, where all measurements are based on measuring from the end of the components or head of the slider where fitted. More clear details and images can be found in the Product Information on our website.

What are the sliders made from?

The slider are generally made from a Zinc Alloy, thought working components inside the slider maybe made from Steel or Brass? Plastic sliders are also available, though these are not as strong. Sliders made of stamped brass are also used generally for jeans applications. The pullers can also be made from zinc alloy and a […]

What are the end stops on zips made from?

The top end stops on metal zips are normally made from brass wire. This is also the case for Spiral zips when metal stops are used. Aluminum wire stops are sometimes used. Polyester filaments can also be used to form top and bottom stops on spiral zips, as can Poly Oxy Methylene(POM) which is also […]