G4 is a high-performance, water-based glass polish formulated with nano abrasives and citric acid to deliver a smear-free, scratch-free finish every time. It effectively cuts through tough dirt, road film, water spots, and other contaminants, leaving glass surfaces looking clinically clean and optically clear.
Ideal as a prep step before applying G1 ClearVision Smart Glass or G5 Water Repellent Coating, G4 ensures maximum bonding and long-term coating performance.
G4 is the go-to solution for professional-level glass preparation—ensuring your coatings adhere properly and your glass looks flawless.
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- RSRobert S.Verified BuyerRated 5 out of 5 stars9 months agoCleaning my Corvette windshield
I have a 2006 Corvette that has some tough stains on the windshield. I tried a lot of window cleaners, but nothing worked. I recently used G4 Nanotech Glass Polish using a dual action polisher. I did the windshield a couple of times and the hard water spots and other marks are now gone. This really works.
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