303 Marine Graphene Nano Spray Coating - 32oz [30251]Marine Graphene Nano Spray Coating 32oz 303 Graphene Nano Spray Coating is a Graphene Oxide based coating that provides a high level of protection lasting up to 12 months. This product also lowers surface temperature, which will reduce the number of hard water spots you get on your cars paint. It also features a high water contact angle, producing substantial hydrophobic properties that keep the water from sticking to your paint. Following