A coated abrasive product, comprising a first section and a second section, the first and the second sections being continuously joined together by a splice. The first section includes at least one first splice mark adjacent to the splice, wherein the first splice mark is a marking or a cluster of markings. A method of processing an article with such a coated abrasive product, and a method of acquiring information of such a coated abrasive product, respectively, includes detecting at least one characteristic of at least one first splice mark of the first section of the abrasive product, and comparing the detected characteristic to a database, wherein the detected characteristic of the first splice mark conveys approach of the splice and the end of the first section. The method of processing an article further includes providing a signal to skip the splice to thereby prevent the article being processed with splice area of the abrasive product. A method of preparing such a coated abrasive product includes forming the first and the second sections of the abrasive product.