• Medium Grade (O 1/2) particle size
• High-grade abrasive for dental appliances
• Uniform size ensures consistent surface preparation
• Smoothes acrylics and metals effectively
• Quantity: Large 25 Lb. bulk

The Keystone introduces the Medium Pumice (O 1/2) is a high-grade natural abrasive specifically sourced and processed for efficient and consistent use in dental laboratories for cleaning, polishing, and shaping dental appliances. If you are searching for the best medium-grade pumice, then the uniform particle size, excellent abrasive properties, and high-volume packaging of this pumice, which ensure superior surface preparation and cost-effective operation for busy laboratories, are best for you.

Manufactured by Keystone, a reliable supplier of professional dental consumables, this pumice provides the necessary cutting power to quickly smooth acrylics, metals, and other prosthetic materials without causing deep scratches, preparing the surface perfectly for final polishing. Its consistent quality ensures dependable results with every use, reducing rework time and improving the final finish quality of dentures, splints, and orthodontic retainers. This essential lab material is specified as Medium Grade (O 1/2), indicating the particle measurement/diameter, which provides an effective balance between rapid material removal and achieving a smooth foundation.

The product is supplied in a substantial quantity of 25 Lb., offering a bulk, economical solution for high-throughput dental laboratories. Keystone takes great care in the processing of this pumice to minimize impurities, ensuring the safety and longevity of specialized polishing equipment. The best Medium Pumice (O 1/2) 25 Lb.

is a fundamental component of the dental laboratory workflow, relied upon for foundational finishing work before transition to fine polishing agents. Keystone supplies this professional-grade material exclusively to authorized dealers and distributors serving the technical dental laboratory community.