PRECISION OPTICS
Cerium Oxide Glass Polishing Powder
Americere
A line of premium grade high purity cerium oxide based polishing compounds designed for precision optics and electronics. Tightly controlled particle size distribution produces high quality surface finish.
Americere® 500ST
An optical grade cerium oxide based polishing powder. Americere 500ST is designed for polishing of architectural and mass glass production materials. Americere 500ST can also be used for polishing precision optical components of glass, fused silica and quartz.
Americere 500ST produces fast stock removal and superb surface finishes, it cleans easily from the glass and does not stick to machinery. Americere 500ST is compatible with various felts and polishing pads. Americere 500ST is zinc free.
Americere® 7090 Avg. particle size d50 1.8-2.2 µ Maximum particle size: 15 µ
pH 7.5-8.5
Color Light red Standard packaging 44 pound pail
An optical grade cerium oxide based polishing powder. Americere 7090 can be used for polishing quartz and fused silica. 7090 exhibits high material removal rate due to its particle size distributions.
Americere® 6190ST Avg. particle size d50 1.0-1.2 µ Maximum particle size: 10 µ
pH 7.5-8.5
Standard packaging 44 pound pail
Americere 6190ST can be used in high speed polishing. 6190ST is a cost effective polish that can produce scratch free surface in the shortest possible time. 6190ST particles are treated to never settle hard even after extended down time.
Americere® 1790RA Avg. particle size d50 0.8-1.2 µ Maximum particle size: 8 µ
pH 6.5-7.5
Standard packaging 44 pound pail
An optical grade cerium oxide based polishing powder. Americere 1790RA is engineered for polishing soft filter glass and lens.
Americere® 2160 Avg. particle size d50 1.0-1.2 µ Maximum particle size: 10 µ
pH 7.5-8.5
Standard packaging 44 pound pail
A capable cerium oxide based optical grade polishing powder, Americere 2160 delivers exceptional finish and flat surface; can meet stringent scratch-dig ratio requirements.
Americere® 9000 Avg. particle size d50 1.0-1.2 µ Maximum particle size: 9 µ
pH 7.5-8.5 Standard packaging 44 pound pail
A premium grade cerium oxide based polishing powder, Americere 9000 is a high purity cerium designed for precision optics where high quality surface finishes are required in the shortest amount of time.
| Avg. particle size d50 | 0.7-0.9 µ |
| Maximum particle size: | 8 µ |
| pH | 7.5-8.0 |
| Standard packaging | 44 pound pail |
Americere 4381 is designed for precision optics, optical lens, crystal quartz, and photomask blanks. Americere 4381 delivers exceptional finish and scratch free surface. 4381 is treated with a suspension system that ensures the soft settling of the particles.
| Avg. particle size d50 | 0.6-0.8 µ |
| Maximum particle size: | 7 µ |
| pH | 6.5-7.5 |
| Standard packaging | 44 pound pail |
Americere 3300 is designed for precision optics, optical lens, crystal quartz, and photomask blanks. Americere 3300 delivers exceptional finish and scratch free surface.
| Avg. particle size d50 | 0.6-0.8 µ |
| Maximum particle size: | 7 µ |
| pH | 6.5-7.5 |
| Standard packaging | 44 pound pail |


