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                      3. Polishing Slurries
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                      5. FinAl 9222

                      FinAl Sapphire Polishing Slurry 

                      FinAl Sapphire Polishing Slurries | Saint-Gobain Surface Conditioning

                      An innovative solution specially designed for polishing C-plane sapphire wafers, Saint-Gobain FinAl 9222 alumina polishing slurry combines optimal polishing performance with a lower total cost of ownership. While offering a superior removal rate that’s at least four times greater than colloidal silica, FinAl 9222 slurry delivers a scratch-free finish with minimal subsurface damage and is capable of achieving less than 3 Angstrom Ra with no visible scratches to the naked eye.

                      Saint-Gobain Surface Conditioning's FinAl 9222 is an aqueous slurry that has been carefully designed, starting with the selection of high-purity raw materials to the final conversion of pre-cursor to alpha alumina. Ideal for cutting sapphire, FinAl 9222 slurry produces an excellent finish on C-plane sapphire.

                      Saint-Gobain’s new abrasive grain used for FinAl 9222 features a very hard nano-structured network that allows micro-fracturing and the formation of new, sharp cutting edges. FinAl 9222 polishing slurry may be used again and again in a recirculation mode for longer-lasting performance. In production scale testing with proper care and maintenance of the slurry in the mixing tank, FinAl 9222 recorded more than 10 hours of continuous polishing.

                      Saint-Gobain engineers and application specialists are available to demonstrate the proper use of FinAl slurry on C-plane sapphire to sustain a high material removal rate and long slurry life.

                      Benefits

                      • Provides fast material removal rate and controlled surface finish
                      • Easy to clean — does not recrystallize like colloidal silica
                      • Can be recycled to maximize slurry life
                      • Readily available in commercial quantities
                      • Tightly controlled particle size distribution and oversized particles
                      • ISO certified for consistent quality
                      • Knowledgeable application engineers available for technical support

                       

                       

                      • Product Characteristics
                      • Availability
                      • Certification
                      FinAl 9222 Characteristics
                      pH 12 - 13
                      % solids 20
                      Al2O3 content 99+%

                       

                      Sizes

                      • 1.2u
                      • 0.75u
                      • 0.5u
                      • 0.35u

                      Packaging

                      • 1 gallon
                      • 5 gallon
                      • 50 gallon
                      • Larger packaging available upon request
                      • Product and lot certifications available for each shipment

                       Contact us

                      Related Products

                      Polycrystalline Alumina Polishing Slurries
                      Saint-Gobain Surface Conditioning is a business of Saint-Gobain Ceramic Materials

                       

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