Magnesia-based stones for grinding building materials such as marble, mosaics, concrete, natural stones.

For mosaics and concrete, grinding begins with No. 12, while for marbles with No. 24.

Instructions for Use:

• The abrasive kidney stones are used for grinding and cleaning, as well as for dry polishing.
• Dry polishing starts from No. 12 for mosaics or No. 24 for marbles.
• Continue with No. 36 on mosaics and No. 60 on marbles.
• From No. 60 proceed to No. 100, No. 230, No. 450, No. 560 and then continue with oxalic.
• A good cleaning is needed between numbers.
• The oxalic is worked with a synthetic machine brush or with steel wool No. 2 in small bundles moistened with a little water to make it like mud.
• Once the entire floor has been covered, rinse it very well and then pass the MAR polish.
• Maintenance is done with the AR 247 polish once a week in a bucket of water.
• The use of any other cleaner is prohibited except for pure clean water on polished marble.