Mirka Iridium sanding discs feature top performing abrasives produced with state-of-the-art technoloy with consistent grain distribution for a perfect finish, everytime. The Iridium discs also include a new resin system with enhanced grain adhesion. Precision coating helps repel dust and optimized multihole patterns ensures that dust ends up where it belongs- in the dust bag. Ideal choice for body shops & industrial finishing applicationsInitial cut is more aggressive and lasts longerNo loading/pilling with precision non-stick' coatingOptimized grains with unique blend of ceramic and aluminum oxide for a consistent scratch patternNo alignment of the discs requiredFlexible backing with excellent grain adhesion and no loss of grain - even when foldedGreat dust extraction results in clean working areaVery high health and safety awareness, energy and material efficient and using low VOC resin systems