Description

Rare Earth 89 is an innovative slurry for precision polishing applications.  Developed for precision glass and optical materials, Rare Earth 89 offers premium cerium oxide polishing slurry which gives both fast removal rates and excellent surface finishes.

Application

Dilute in water. Preferred, but not required, water type is DI or RO water.   Concentration can vary per operation. For best results, please consult with UPI technical staff to recommend optimal processing conditions.

Benefits

• Moderate granularity
• High removal rate
• Wide array of applications

Physical Characteristics

• pH: 7 - 8
• Particle Size (D50, μm): 0.4 - 0.6
• Particle Size (D99, μm): <4
• Solid Content (%): 40 - 50

Availability