EXTEC Multipolish （Al2O3） （SiO2） Blend, Permanent Suspension is a specially formulated blended permanent suspension of 0.05 ?m Aluminum Oxide and Silicon Dioxide particles with a pH of 9. Recommended for final polishing of Cobalt-based Alloys, Nickel-based Alloys, Steels, Tool Steels, Electronics, Printed Circuit Boards.

EXTEC Final Polish A Aluminum Oxide （Al2O3） Permanent Suspension is a specially formulated permanent suspension of 0.06 ?m （Al2O3） particles with a LOW （4 pH） aqueous base for final polishing. Recommended for material that responds well in a low pH environment, Alumina, Cermics, Plastics, Electronics.

EXTEC Final Polish B Silicon Dioxide （SiO2） Permanent Suspension is a specially formulated permanent suspension of 0.06 ?m （SiO2） particles with a HIGH （10 pH） aqueous base for final polishing. Recommended when a high pH is needed for Aluminum, Brass, Copper, Lead-based Alloys, Precious Metals, Titanium, other Nonferrous Materials.

EXTEC Multigam Final Polishing Permanent Suspension is a specially formulated Aluminum Oxide （Al2O3） General Purpose Permanent Suspension that provides a high removal rate for most materials.

EXTEC Polishing Alumina Permanent Suspensions are available: Alpha Alumina 1.0 ?m; 0.3 ?m; Gamma Alumina 0.05 ?m; Extec I De-Agglomerated Alpha Alumina 1.0 ?m; 0.3 ?m; Extec I De-Agglomerated Gamma Alumina 0.05 ?m

EXTEC Levigated Alumina Permanent Suspension available in 10.0 ?m; 5.0 ?m; 2.0 ?m particle size.

EXTEC Colloidal Silica （SiO2） Permanent Suspension available in 0.06 ?m and 0.02 ?m particle size. Recommended for Composites, Silicon Nitride, Cobalt-based Alloys, Nickel-based Alloys, Steels, Tool Steels, Electronics and Printed Circuit Boards.

EXTEC Cerium Oxide （CeO） Permanent Suspension 1.0 ?m; Recommended as the final polish for glass and other soft materials.

EXTEC Chromic Oxide （Cr₂O₃） Permanent Suspension 1.0 ?m and .0.5 ?m; Recommended for samples that cannot be exposed to Aluminum Oxide Contamination.