Made of 16 Gauge T-304 Stainless Steel TORVA PVD Coated Gunmetal Sink Made of 16 Gauge T-304 Stainless Steel PVD Coating Undermount Kitchen Sink Sink is constructed of thick 16 Gauge T-304 Grade Stainless Steel that will never rust or tarnish. The colored finish is applied as an outer layer using an innovative nano-PVD technique that makes it incredibly tough and resistant to wearing or peeling. What Is PVD Coating? PVD stands for Physical Vapor Disposition.It is a method for producing hard coatings. These coatings are metal-based, and you can manufacture them by generating partially ionized vapor of metal. Anti-scratch PVD Coating with a lavish finish makes it anti-scratch and anti-dull in daily use. it assures long lasting durability, performance, lustrous beauty. Anti-rust PVD Coating can make the sink resistant to aging. It is highly durable. Nano brushed the effect like anti-rust, no water, no oil .Very easy to clean Lotus leaf effect Nano surface is repelling to water and oil as lotus leaf, so the kitchen sink is so easy to clean and free of finger print . X-flowing water Bottom sink grid intercepting garbage helps drainage, and x-pattern drain grooves direct water toward drain to prevent water retention Superior Drainage Bottom sink grid intercepting garbage helps drainage, and x-pattern drain grooves direct water toward drain to prevent water retention Heavy Duty 16-Gauge Thick Constructed with premium 16-gauge thick grade SUS304 stainless steel for durability and strength.Undermount installation provides you with much counter space, seamless transition and easy to clean corners. What Is PVD Coating? PVD stands for Physical Vapor Disposition.It is a method for producing hard coatings. These coatings are metal-based, and you can manufacture them by generating partially ionized vapor of metal. Why Choose PVD Coating Kitchen Sink Harmless Hard To Scratch Easy To Clean Dirt proof Coating How many layers does PVD Coated sink have The PVD Coating sinks contain five layers usually. 1.Stainless Steel Layer 2.Oil-Free Layer. 3.Anti-Rust Layer. 4.Anti-Corrosion Layer 5.Dirt proof Coating