The color and abrasion of your marble is key factors to affect the polishing performance of 5 Extra or 10 Extra. Most of beige color marbles are easy to be polished, the regular quality of 5 Extra plus 10 Extra will do a good polishing work.

For dark color marbles, such as black marble, red marble and others which are sensitive to get scratches on the surface, you will need all abrasives with great sharpness from calibrating to polishing. And this is the same for oxalic acid abrasive stone as well, you need to focus more on the polishing quality while less on life expectation. If you polish dark color marbles, you are suggested to tell your suppliers before placing order.

We have several different quality of abrasives stones for customers’ choices, there is no bad quality abrasive. Suitable quality is the best quality.