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Aluminum oxide slurry

Aluminum oxide slurry for lapping and polishing of various materials:
ULTRA-SOL® 200A is a unique colloidal alumina slurry with proven results in polishing a wide variety of materials. Being an industry standard slurry for over fifteen years, 200A continues to be the process of record in many metals polishing processes and has been proven to achieve excellent surface finish on epoxy resins and plastics. ULTRA-SOL® 200A has also become one of the most widely used slurries for polishing infrared materials as its unique particle technology provides scratch free surfaces on these challenging materials.

ULTRA-SOL® 200A is an acidic colloidal alumina dispersion, with advanced chemical-mechanical action, that provides superior surface finishes. The proprietary alumina particles provide aggressive removal rates while maintaining superior surface finishes. The acidic pH allows its chemical-mechanical action to provide superior, low scatter finishes in a wide variety of applications.


Base material  Aluminum oxide

Shelf life  12 months

Packaging  Product is typically available in 1 gallon jugs, 5 gallon pails, and 55 gallon drums. Alternative packaging sizes may be available upon request.

Applications  Aluminum, cadmium zinc telluride, gallium arsenide, indium phosphide, nickel, spinel, zinc selenide

Similar products

  Ultra-Sol 201A280 Ultra-Sol 201A60 Ultra-Sol 200A Ultra-Sol 201A140
Base material Aluminum oxide Aluminum oxide Aluminum oxide Aluminum oxide
Particle size (µm) 0.05 0.06 0.10 0.14
pH 4.0 4.0 4.0 3.5
Solids content 22.2 23.5 20.0 20.5
Specific gravity 1.19 1.18 1.14 1.15

Interested in our aluminum oxide slurries and powders?


We are happy to share our knowledge with you and remain at your disposal for any further questions.

Adam Nielsen

Product Manager Aluminum Oxide Slurries