Major US retailer makes full changeover to MRâ„¢ series as of March 2021 In previous years, Costco has mainly offered polycarbonate ophthalmic lenses, which are the standard in the U.S. market. But ...
PPG (NYSE:PPG) today announced the launch of PPG HI-GARD® Non-Methanol hard coating for 1.5 standard index ophthalmic lenses. Developed as a drop-in replacement for traditional methanol-based coatings ...
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