Achieve superior metal finishing with PRESI Alumina Suspensions, high-quality polishing suspensions formulated for soft, semi-hard, and hard materials. Available in multiple grades and micron sizes, these suspensions deliver smooth, consistent, and precise surface finishes, ideal for metallography, laboratory, and industrial applications.

Available Grades and Uses:
• N1 (48h), 0.04 µ, 1 L – Super-finishing of soft metals such as copper, lead, and aluminium.
• N2 (24h), 0.3 µ, 1 L – Finishing of copper alloys, nickel, brass, bronze, and aluminium.
• N3 (12h), 0.8 µ, 1 L – Finishing of hard steels and materials, suitable for direct observation or medium magnification.
• N4 (6h), 1 µ, 1 L – Recommended for fine pre-polishing of all metals.

Key Features:
• High-purity alumina for consistent and high-quality surface finishes
• Wide range of micron sizes for soft to hard metals
• Suitable for metallography, laboratory, and industrial polishing
• Provides smooth, uniform polishing results for precise observation

Applications:
• Super-finishing soft metals like copper, lead, and aluminium
• Finishing copper alloys, brass, bronze, and nickel
• Polishing hard steels for laboratory or industrial observation
• Fine pre-polishing of all types of metals