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Norton? R889+ products are manufactured using Norton? patented Zirconium Steel (NorZon) abrasives for rough grinding of various metal workpieces, especially stainless steel, titanium alloys and other castings. Through a number of technical improvements, Norton? R889+ abrasive belts greatly increase the service life while maintaining high cutting efficiency, helping customers improve grinding efficiency, reduce downtime and reduce operator labor. degree. In addition, the unique super-coating process of the product can effectively prevent the surface burn of stainless steel and titanium alloy workpieces, improve the processing quality and grinding stability of the workpiece.