Needed some sanding discs in a hurry a while back and local supplier was out of good quality zirconia, had to make do with silverline AlOxide- instead of the abrasive removing metal the metal removed the abrasive from the backer, took about a minute/disc before they were bald 
Well... it DID have Silverline written on itNeeded some sanding discs in a hurry a while back and local supplier was out of good quality zirconia, had to make do with silverline AlOxide- instead of the abrasive removing metal the metal removed the abrasive from the backer, took about a minute/disc before they were bald
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