This is a hard question to answer in a short space. While the markings mean the wheels should perform the same, differences in factory equipment and marking systems may make one product behave differently than another. They should be close, but the only true way to match a product is to have a wheel analysis done by the factory. We do this for no charge and it is recommended for larger purchases to eliminate testing. Note that even when an analysis is done, it is no guarantee the wheels will perform exactly the same.
Grain – a synthetic or natural abrasive; Bond – an adhesive that permanently bonds the backing to the abrasive; Backing – a backing that the abrasive is bonded to