CQuartz UK 3.0 10mlCquartz UK 3. 0 The incredible 70% SiO2 with 99. 9% purity formula is based on the same technology as the original CQUARTZ with some interesting tweaks. This is the first ever coating which has this concentration! The pure quality ensures the most transparent glass coat film over the surface, which guarantees long lasting coating with extreme strength and water repellency. Once the liquid meets the open air it cures and forms a ceramic quartz hard