Indasa P100 Black Silicon Carbide Waterproof Sandpaper. Silicon Carbide Material: Made with high-quality Silicon Carbide abrasive for superior cutting performance. Waterproof Design: Water-resistant construction suitable for wet sanding applications. Wide Grit Range: Available in grits from P60 to P3000 to meet various finishing needs. OEM and ODM Services: Factory offers full customization including samples, designs, and flexible options. Fast Response Support: Engineers available for quick response within 24 hours. ISO Certified Quality: Operates under ISO 9001 and 14001 certified processes for reliability. Free Sample Offer: Samples are available for free to test product quality before bulk order. Competitive Factory Price: Direct sales from factory ensure high quality and competitive pricing.