Bonded Abrasives / 281 www.nortonabrasives.com 57A +++ NZ ++++ U57A ++++ Semi-friable aluminium oxide abrasive • Less tough than type A abrasive but offers better cutting quality with a pointed shape • Cool and burn free cutting • Ideal for heat-sensitive applications with light to moderate feed rates • Good compromise between cut quality and wheel life • Very versatile: suitable for all steels Latest generation of Norzon grain with finer structure and sharper shape combined with Foundry X bond technology • Excellent micro-fracturing properties • Greater heat resistance • Longer wheel life. Lower total abrasive cost • Improved cut rate • Reduced cycle time Specially treated brown aluminium oxide abrasive • Tough and hard aluminium oxide abrasive • Not suitable for use on extremely hard materials • Long wheel life • Ideal for heavy duty applications BONDED ABRASIVES
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