Plastics in Eyewear

Some plastics may become crystallized and brittle with time and extreme elements. For the most part plastic materials may be used as an alternative to most metals as an anti-allergic material. A comfort level is also a notable characteristic of plastic frames; especially around the nose bridge. Below are some characteristics of the most commonly used plastics.


► Often referred to as an unbreakable material
► Light weight
► Difficult to adjust because of its unbreakable character
► Often recommended as safety and sports eyewear


► One of the lightest plastics
► Resistant to most aggressive solvents
► May be difficult to adjust because of its sensitivity opposite extreme temperatures
► Heat: becomes very pliable with minimal heat in comparison with other plastics
► Cold: brittle state and may break to firm bending pressure

Acetate (zylonite or Cellulose)

► Most common used of the plastics
► Easy to work with
► Usually houses a metal stem embedded within the temples as reinforcement
► Fuses well with metal well

Metal Alloys in Eyeglass and Sunglass Frames

There is a wide range in functionality and innovative purpose allowed within the metals used for eyeglasses and sunglasses. Through the years the evolution of metals has evolved to serve many purposes, which include anti-allergic, flexible alloys and many

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