Kingone P60 Black Silicon Carbide Waterproof Sandpaper. Silicon Carbide Material: High-performance abrasive made from silicon carbide for superior cutting. Waterproof Design: Designed as waterproof sandpaper for wet and dry sanding applications. Wide Grit Range: Available in grit range from P60 to P3000 for various finishing needs. Customization Accepted: Accepts logo customization, OEM, ODM, and flexible customization options. Factory Direct Supply: Products shipped directly from factory ensuring quality and competitive pricing. ISO Certified: Manufacturing processes certified under ISO 9001 and ISO 14001 standards. Free Samples: Free samples are offered for customers to evaluate product quality. 30+ Years Expertise: Over 30 years of dedicated experience in abrasive R&D and production.