Gtechniq C2v4 Ceramic Sealant 1LUp to 6 months of durability Simple and fast application Extreme repellency Why use Gtechniq C2v4? Ceramic Sealant version 4 is the latest evolution in surface protection technology from Gtechniq. This advanced formulation delivers enhanced dirt repellency, even easier application, and longer lasting protection, making it the most effective and user friendly version yet. Laboratory testing confirms the performance gains: +4% increase in water contact