Category: Eyeglass Lenses
Plastic CR-39
CR-39 is a plastic polymer commonly used in eyeglass lenses. It was developed by Columbia Resins in 1940. The Armorlite Lens Company started manufacturing eyeglass lenses with CR-39 in 1947. Today CR-39 is made by PPG industries. CR-39 has an index of refraction of 1.498 and an Abbe number of 58. Today there are many…
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Corpus Christi
Main Office and Ambulatory Surgical Center
Main Office and Ambulatory Surgical Center
900 Morgan Avenue
Corpus Christi, TX 78404
(361) 888-4288
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