MB-12 Caliber Polishing Powder is a premium professional polishing compound designed to deliver an advanced wet-to-dry polishing process that produces an exceptional high-gloss finish—often exceeding the original factory shine.

 Engineered for natural stone restoration and refinement, MB-12 provides outstanding clarity, depth, and brilliance on a wide variety of stone surfaces.

Ideal for marble, limestone, travertine, serpentine (green marble), onyx, ophicalcite, terrazzo, and more, MB-12 not only enhances the appearance of stone but also works as an effective cleaning compound and coating/sealer remover for granite surfaces. Its professional-grade formula helps restore the natural beauty of stone while delivering consistent polishing results.

Designed for experienced stone care professionals, MB-12 Caliber Polishing Powder is the ideal solution for achieving superior polish, removing unwanted coatings, and restoring high-end stone finishes.

Key Features

• Produces an exceptional high-gloss finish that can exceed factory-level shine.
• Advanced wet-to-dry polishing formula for superior clarity and brilliance.
• Suitable for a wide variety of natural stones and terrazzo surfaces.
• Ideal for marble, limestone, travertine, serpentine, onyx, ophicalcite, and more.
• Functions as a cleaning compound for granite surfaces.
• Helps remove coatings and sealers from granite.
• Provides professional-grade polishing performance.
• Enhances stone depth, clarity, and natural appearance.
• Designed for restoration, maintenance, and finishing applications.
• Available in multiple package sizes for professional use.

Available Sizes

• 1 lb
• 2 lb
• 8 lb
• 25 lb

All powders are packed by weight, not volume.

Coverage

• Approximately 500–1,000 sq. ft. per pound, depending on stone type, surface condition, and application method.

Common Applications

• Marble floor polishing and restoration.
• Limestone polishing and refinement.
• Travertine surface restoration.
• Serpentine (green marble) polishing.
• Onyx polishing applications.
• Ophicalcite finishing.
• Terrazzo polishing and maintenance.
• Granite cleaning and coating/sealer removal.
• Natural stone restoration projects.
• Residential and commercial stone maintenance.
• Professional stone fabrication and finishing.

How to Use

Preparation

• Complete the honing process before polishing to achieve the highest possible clarity.
• Protect surrounding surfaces from splatter using proper masking materials.
• Ensure the stone surface is clean and ready for polishing.

Countertop Application

• Work in a 2–3 sq. ft. area.
• Apply approximately ¼ teaspoon of MB-12 in a circular pattern slightly smaller than the polishing pad.
• Add water using a spray bottle to saturate the powder and create a slurry.
• Use a white polishing pad with a variable-speed right-angle grinder/polisher set to low speed.
• Spread the slurry evenly across the working area.
• Apply pressure until the mixture is almost dry.
• Increase machine speed, reduce pressure, and buff the surface to achieve a high gloss.
• Remove streaks using a clean, dry white pad with a light mist of water.

Floor Application

• Work in a 10–12 sq. ft. area.
• Apply approximately 1 tablespoon of MB-12 in the center of the working area.
• Add water to create a workable slurry.
• Use a hog’s hair pad with a floor machine:
  • Minimum 1.5 HP
  • Maximum 175 RPM
• Spread the slurry evenly across the surface.
• Polish using a spiral motion until the slurry dries and the surface develops a shine.
• Flip or rinse the pad after approximately 100 sq. ft. to maintain polishing performance.
• Remove streaks using a clean, dry hog’s hair pad with a light mist of water.

Important Notes

• Professional Use Only: MB-12 requires proper skill and experience for the best results.
• Adjust Techniques: Different stones may require adjustments in powder quantity, water amount, speed, and pressure.
• Safety First: Always review the Safety Data Sheet (SDS) before use.

Frequently Asked Questions (FAQ)

Q1. What is MB-12 Caliber Polishing Powder used for?
MB-12 is used to polish natural stone surfaces and achieve a high-gloss finish while also cleaning and removing coatings from certain granite surfaces.

Q2. What stones can be polished with MB-12?
It is suitable for marble, limestone, travertine, serpentine, onyx, ophicalcite, terrazzo, and other compatible natural stones.

Q3. What type of finish does MB-12 produce?
MB-12 produces a brilliant, high-gloss finish that can often exceed the original factory shine.

Q4. Can MB-12 remove sealers or coatings?
Yes. MB-12 can act as a cleaning compound and help remove coatings or sealers from granite surfaces.

Q5. Is MB-12 suitable for countertops and floors?
Yes. It can be used for both countertop and floor polishing applications when applied with the proper equipment and technique.

Q6. How much coverage does MB-12 provide?
Coverage is approximately 500–1,000 square feet per pound, depending on stone type and application conditions.

Q7. What pads are recommended with MB-12?
For countertops, use a white polishing pad. For floors, use a hog’s hair pad with an appropriate floor machine.

Q8. Is MB-12 recommended for beginners?
No. MB-12 is intended for professional use only and requires experience to achieve optimal results.

Q9. What machine speed is recommended for floor polishing?
Use a floor machine with a minimum 1.5 HP motor operating at a maximum of 175 RPM.

Q10. Why choose MB-12 Caliber Polishing Powder?
MB-12 provides professionals with a versatile solution for achieving exceptional gloss, restoring stone beauty, cleaning surfaces, and removing unwanted coatings.