Proprietary 2K Hybrid Technology. Supermaxx ceramic coatings claim to achieve 9H hardness for their baseline coatings and 10H hardness for their 2K Hybrid/Graphene variants when multi-layered. SUPERMAXX HYBRID Polysilazane Ceramic Car Coating can modify surface properties to increase Scratch, Stain, and Chemical resistance that outperforms all other ceramic car coatings on the market.