KEYSTONE Pumice Polishing Powder is the traditional pre-polish stage for the dental lab bench — natural volcanic Pumice ground to graduated grit grades, mixed with water on the bench-lathe to form a polishing slurry that's applied via brush wheel or muslin buff. The slurry abrades the workpiece at a controlled rate that's significantly more aggressive than rouge or compound but less aggressive than a stone, making it the standard pre-polish step before the final high-shine compound.
Available in Coarse (rough pre-polish), Medium (intermediate), and Fine (pre-final-polish) grades. Sold in 1 lb, 2.5 lb, and 5 lb bulk packages for high-volume lab use.
| Brand | KEYSTONE Industries |
|---|---|
| Manufacturer | KEYSTONE Industries |
| Country of origin | USA |
| Application | Lab bench polishing slurry — pre-polish stage for acrylic, base metals, gold, chrome-cobalt |
| Size | 25lb |
| Shipping weight (g) | 260 |
| Manufacturer item # | 1700016 |
| USDD item # | 445987 |
| Features | Super Fine |
| Feature 2 | 25 lbs |
Looking for alternatives? Here are equivalent products from other manufacturers carried by USDD, serving the same clinical or laboratory purpose. The KEYSTONE Industries row is highlighted at the top.
| Brand · Line | Product | MFG# | USDD# | Package | Feature |
|---|---|---|---|---|---|
| CURRENT KEYSTONE Industries | KEYSTONE Laboratory Pumice Powder, Flour 2F, 25lb. Bottle - #1700016 | 1700016 | 445987 | Super Fine | |
| Whip Mix · Whip Mix Pumice | Whip Mix dental Pumice, graded | WM-Pxx | 5 lb tub | Volcanic Pumice, multiple grit grades | |
| Patterson · Patterson | Patterson dental Pumice | PD-Pxx | 5 lb tub | Lab-grade Pumice powder | |
| Buffalo Dental · Buffalo Lab | Buffalo Pumice powder, graded | BUF-Pxx | 5 lb tub | Graded volcanic Pumice | |
| House Brand · USDD Lab | USDD-line Pumice powder | USDDP-x | 1-5 lb | Value-tier dental Pumice |
Available now from US Dental Depot. Request a custom quote for volume orders or speak with a product specialist for compatibility questions and clinical guidance.
A USDD expert will reach out within 24 hours with pricing, availability, and any technical details. No obligation.