We all know that some glass is much more prone to scratches than other glass. This is a tremendous problem, and it is not getting better. But did you know that it is possible to change a glass surface physically and chemically so that it becomes resistant to scratches? Years ago I discovered a silane based on water that did precisely this.
Please go to the blog to finish. I have a couple of embedded videos there too that I think you will enjoy. And many other links. The blog has become quite expanded over the last month.