sand belt With high procession accuracy and high grinding efficiency We can supply different sizes pattern as customers reque sand belt1. Specification : 475mm x 75mm , 533mm x 75mm , 610mm x 100mm and special size as per customer's request.2. Material : aluminium oxide , silicon carbide3. Grits: P40----P4004. Monthly capacity : 1,000,000 pieces5. Packing : plastic bag sand belt