Grinca Black Silicon Carbide Waterproof Sandpaper. Custom Logo and OEM/ODM: Accepts logo customization and supports OEM/ODM services for tailored branding. Wide Grit Range: Available in grit range P60-P3000 to meet various coarse to fine sanding needs. Free Samples: Offers free samples for customers to test product quality before placing orders. High Water Resistance: Silicon carbide abrasive with good water resistance for effective wet sanding. Fast Engineer Response: Provides quick response with engineer support available within 24 hours. Quality Reproduction: Promises free reproduction for any quality problems encountered by customers. Factory Direct Pricing: Products sold directly from factory ensuring competitive prices and quality. Flexible Customization: Supports full, minor, and flexible customization from samples or designs.