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Colloidal alumina
As an acidic dispersion, Colloidal Alumina is a chemical-mechanical action, that provides superior surfaces on germanium, silicon, gallium arsenide, zinc sulphide, fluorides, sapphire, ferrite's and silicon carbide. Low scatter finishes can be obtained on pure metals such as nickel, tungsten, copper, beryllium, steel and aluminium. Epoxy resin materials and plastics have also been successfully polished with this versatile colloidal dispersion.
Properties: pH: 3-3.5; Solids: 20%; Viscosity: thixotropic.
Application: Depending upon the application, Colloidal Alumina can be used full strength or diluted. Dilution up to 1:1 or higher with deionised water is recommended. Polyurethane and short nap cloths are recommended. However, most commonly used laps and pads are compatible with colloidal alumina.
| Code | Pack Size | Availability | Price | Updated: 04-06-2026 |
|---|---|---|---|---|
| M254-05 | 473ml | No ETA | $132.00 AUD | |
| M254-06 | 3.785L | No ETA | $588.00 AUD |
* Availability Explanation
X weeks – the estimated lead time, based on the average time taken previously to fill orders from this particular supplier. Lead times are from when we receive your order until when we fill your order. For delivery times, please see shipping information below.
In Stock – Plenty of stock on the shelf, ready to ship.
No ETA – our supplier has advised they cannot provide an accurate ETA. Generally there is some issue with supply, and it may be more than 6 months.
