Hocossy 12H Diamond Hardness Ceramic Coating is also Super Hydrophobic Car Liquid Paint Sealant Protection. 【Specifications】 Hardness: 12H hardness Thickness: 30um Durability: about 3-6 months Gloss: Excellent high gloss effect Heat Resistance: Up to 760 degrees Anti-corrosion: PH Tolerance: PH2-12 Bottle size:30ML As displayed in picture.