Alpha Ceramica Metal
Alpha Ceramica Metal represents the latest advancement in stone polishing technology, engineered specifically for harder natural stones such as granite. As the true workhorses of the Alpha® Ceramica line, these discs are available in 60, 150, and 300 grits, ensuring superior preparation for achieving the deep, glossy finish Alpha® Ceramica is known for.
Extremely flexible and performance-driven, Alpha Ceramica Metal is designed to excel in tight and hard-to-reach areas, including internal corners, sink rims, concave surfaces, profiles, and curved edges. Ideal for fabricators, tile contractors, and monumentalists alike, these discs deliver consistent results across curved or flat surfaces with increased production capability and significant cost savings thanks to their extended lifespan.
What sets Alpha Ceramica Metal apart is its unique combination of a metal bond diamond’s hardness within a flexible resin bond disc. This innovation provides unmatched durability, superior aggressiveness, and high-quality performance on granite, engineered stone, and porcelain slabs—making it the go-to choice for professionals demanding efficiency and excellence.
Ceramica Metal Main Features
- Best Combination with Aggressive Cutting Performance and Flexibility
- Designed for Polishing Harder Types of Natural Stone
- Discs Have The Hardness of A Metal Bond Diamond in A Flexible Resin Bond Disc
- Superior Aggressiveness Compared To Standard Resin Bond Discs
- Polishes in Tight, Difficult To Reach Areas Such As Internal Corners, Inside Rim of Sink Holes
- Consistent Performance and A Long Life
- Available in Grits of 60, 150 and 300
Alpha Ceramica Metal Videos
AIR-658 w/Ceramica Metal
Ceramica Metal Specifications
| Part No. | Size | Maximum RPM | Type | Grit | Color |
|---|---|---|---|---|---|
| FD30060M | 3″ | 4,000 | Hook & Loop | 60 | Blue |
| FD30150M | 3″ | 4,000 | Hook & Loop | 150 | Yellow |
| FD30300M | 3″ | 4,000 | Hook & Loop | 300 | Orange |
| FD40060M | 4″ | 4,000 | Hook & Loop | 60 | Blue |
| FD40150M | 4″ | 4,000 | Hook & Loop | 150 | Yellow |
| FD40300M | 4″ | 4,000 | Hook & Loop | 300 | Orange |
Alpha Ceramica Metal Related Documents
| Document Type | Link |
|---|---|
| Safety Data Sheet | Metal Bond Diamond Polishing Disc |
| Reference | Ceramica-Metal_HelpfulHints |
| Reference | Ceramica_HowToUse |
| Flyer | Edge Treatment Systems for Hardscape |
Additional Information
| PartNo | UPC Code | Pkg. Weight (lbs) | Package Dimensions | Commodity Code | Country Of Origin |
|---|---|---|---|---|---|
| FD30060M | 749173470424 | 0.10 | 3.5in x 3.5in x 0.5in | 6804.21.0090 | Japan |
| FD30150M | 749173470431 | 0.10 | 3.5in x 3.5in x 0.5in | 6804.21.0090 | Japan |
| FD30300M | 749173470448 | 0.10 | 3.5in x 3.5in x 0.5in | 6804.21.0090 | Japan |
| FD40060M | 749173470455 | 0.20 | 4.25in x 4.25in x 0.25in | 6804.21.0090 | Japan |
| FD40150M | 749173470462 | 0.20 | 4.25in x 4.25in x 0.25in | 6804.21.0090 | Japan |
| FD40300M | 749173470479 | 0.20 | 4.25in x 4.25in x 0.25in | 6804.21.0090 | Japan |
Frequently Asked Questions
What materials can I use the Alpha® Ceramica Metal on?
Alpha® Ceramica Metal is designed for all natural stones such as granite, marble, porcelain and concrete.
What sizes are Ceramica Metal offered in?
Alpha® Ceramica Metal discs are available in 3” and 4”.
Why is the hook & loop colored?
Alpha® provides colored hook & loop material to help identify the grit of the disc. The Color ID is as follows: Ceramica Metal - Blue = 60 grit, Yellow = 150 grit and Orange = 300 grit.
What is the RPM range at which I should use Alpha® Ceramica Metal?
Ceramica Metal should not exceed 4,000 RPM.
What tools should Ceramica Vitrified discs be used on?
Alpha® recommends central water-feed polishers such as the Alpha® AIR-680 and VSP-320.
What are the difference between Vitrified and Metal 150 and 300 grits?
Vitrified discs are the most aggressive discs among the four types of bonds available in the Ceramica Family (Vitrified, Metal, Resin and Buff). They are most suited for convex surfaces such as a bullnose edge. Ceramica Metal offers a combination of extra flexibility of resin bond and long life of metal bond. Ceramica Metal is suitable for concave and convex such as ogee edges and internal corners.
What are the differences between Resin and Metal 150 and 300 grits?
Resin grits are the most common bond available on the market today; Ceramica Metal lasts up to 6 times longer compared to resin discs. Ceramica Metal outperforms the resin disc in all aspects of light grinding and polishing.
Can I use Ceramica Metal Dry?
No. Alpha® Ceramica Metal discs are designed for wet applications only. Ceramica Metal performs best with wet polishers with central water-feed systems.
Can I use Alpha® Ceramica Metal for concrete polishing for breaking the surface of cured concrete?
Yes. Ceramica Metal can be used on concrete countertops and for breaking the surface when cured concrete needs to be smoothed. Please note that due to the aggressive nature of concrete, life of the disc may be shorter.
Which type of backer pad should I use with Ceramica Metal?
If you are working on a contoured surface, we recommend using our Flexible Backer pads. If you are working on a flat edge or surface, we recommend using our Rigid Backer pads.
Can I use Ceramica Metal 300 grit after the Alpha® Vitrified 150 grit?
Yes. You can mix bond types as long as you follow the grit sequence. Example: Ceramica Vitrified 60 followed by Ceramica Metal 150 Ceramica Vitrified 150 followed by Ceramica Metal 300
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