




MB-18 Ultra 5 Polishing Powder
$19.97
Description
Specifications
Helpful Guides
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Premium Stone Polishing Compound - MB-18 Ultra 5 (5X)
Ultra 5 is a fine grained Italian crafted powder that exceeds the industry standard, is easy to use and produces a superior finish. This is not your father’s 5X, but one of the best powders on the market. It polishes quickly to a deep gloss all calcite-based stones, like Marble, Travertine, Onyx, Limestone, etc. Ultra 5 will not stain grout lines.
Key Benefits of MB-18 Ultra 5
- Highly Efficient: Ultra 5 is designed to work quickly, reducing the time and labor required for polishing.
- Versatile : Suitable for a wide range of calcite-based stones such as marble, travertine, onyx, limestone and so on.
- Streak-Free Finish: Ensures a deep, streak-free gloss finish, enhancing the natural beauty of the stone.
- Non-Staining: Formulated to avoid staining grout lines, maintaining the integrity of your entire surface.
Why Professionals Choose Ultra 5
Effortless Deep-Gloss Finish
Ultra 5’s fine-grained Italian formula cuts polishing time while elevating clarity, leaving a mirror-like surface that clients instantly notice.
Works Across All Calcite-Based Stones
One powder, multiple surfaces—marble foyer today, onyx vanity tomorrow. No need to swap products on-site.
Grout-Safe, Streak-Free Formula
The slurry stays where it should, so installers don’t have to chase discoloration along grout lines or edges.
Proven Efficiency in the Field
At 125-200 ft² per pound, technicians finish large footage on a single bucket—maximizing margin on every job.
Choose Your Size
Size |
Approx. Coverage* |
1 lb Trial |
125 – 200 ft² |
2 lb Bag |
250 – 400 ft² |
8 lb Pail |
1 000 – 1 600 ft² |
25 lb Contractor Pail |
3 125 – 5 000 ft² |
*Coverage varies with stone density and machine pressure.
How to Use MB-18 Ultra 5 Stone Polishing Powder - FOR PROFESSIONAL USE ONLY
Directions for Use on Floors
- Target an area of approximately 10 – 15 sq. ft.
- In the middle of the target area, sprinkle approximately 1 ½ - 2 oz. (3 – 4 tablespoons) of Ultra 5 powder in a circular pattern slightly smaller than the diameter of the floor machine.
- Using a hog’s hair pad (highly recommended), position the floor machine with a full tank of water on top of the powder.
- For best results, use 1.5 HP minimum and do not exceed 175 RPM.
- Release some water and swiftly swing the machine back and forth over the targeted area to evenly spread the slurry.
Note: Keep the slurry thick; not too wet.
- Polish slowly with a spiral motion moving from one end of the targeted area to the other and back.
- Continue polishing for 2.5 – 4 minutes, then check the surface with a squeegee.
- You should have a high polish at this point.
- Next release just enough fresh water onto your target area to make vacuuming the used slurry easy and vacuum to remove.
- Clean with a neutral cleaner such as MB-1 Floor Amore or MB-15 StoneGlow.
- Now repeat this process in the next section.
Directions for Use on Countertops
- Target an area approximately 3 – 4 sq. ft.
- On the targeted surface, sprinkle 1/2 teaspoon of the Ultra 5 powder on the surface to be polished in a circular pattern slightly smaller than the polishing pad you are using.
- Spray some water on the powder and over the rest of the targeted area.
- Set the speed of the right-angle grinder/polisher (variable speed is a MUST) to the slowest speed.
- Using a hog’s hair pad, move the machine over the targeted area slowly, applying steady pressure.
- Check the surface for results after approximately 2 - 3 minutes.
- If you have a high polish, semi-flush the section and pull the slurry down to next section and repeat.
Technical Details & Safety
Application Type
Wet mechanical polish – professional use only.
Compatible Surfaces
Marble • Travertine • Onyx • Limestone • Other calcite-based stones.
SDS & Compliance
Download the Safety Data Sheet for PPE recommendations before mixing slurry.
Weight | 1.0 lb2.0 lb9.0 lb26.0 lb |
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