Developed as a drop-in replacement for traditional methanol-based coatings, PPG's new PPG HI-GARD® Non-Methanol hard coating for 1.5 standard index ophthalmic lenses enables prescription lens makers ...
Ultrasonic spray coating parameters such as drug-to-polymer ratio and carrier gas flow impact coating thickness/profile and ...
PITTSBURGH--(BUSINESS WIRE)--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 ...