---
title: MasterPrep Alumina
url: https://shop.opti-tech.ca/product/masterprep-alumina/
date: 2022-09-02T16:16:42+00:00
modified: 2026-05-04T19:33:47+00:00
lang: en_US
---

# MasterPrep Alumina

Final polishing suspensions are designed to remove the final layer of surface deformation and prepare a sample for analysis. A variety of products are offered to meet many different application needs. Sol-gel alumina suspension (0.05μm, ~8.5pH) is excellent for minerals, ferrous metals, carbides, precious metals, PWB's electronics and polymers. Available in 6oz \[0.18L\], 32oz \[0.95L\], and 64oz \[1.9L\].