Key Takeaways PPG launched HI-GARD Non-Methanol coating for 1.5 standard index ophthalmic lenses.The coating removes methanol, meeting regulations and improving workplace safety.Compatibility with existing systems enables seamless adoption across lens uses.PPG Industries, Inc. (PPG) has launched PPG HI-GARD Non-Methanol hard coating for 1.5 standard index ophthalmic lenses, providing lens manufacturers with a durable replacement for traditional methanol-based coatings.The new formulation helps meet evolving ...