Single Crystal Alumina

Single Crystal Alumina

Single Crystal Alumina delivers superior hardness and thermal stability, making it ideal for advanced ceramic applications, cutting tools, and high-performance components.

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SINGLE CRYSTAL ALUMINUM OXIDE

Single Crystal Aluminum Oxide is produced in a unique process in which particles of various sizes are formed naturally during production, without the need for mechanical crushing. Single Crystal Aluminum Oxide is light blue in color (when fired between 300°C and 1280°C) and it has the advantages of extremely high hardness, sharp multi-prism cutting edges, stable bulk density, and excellent grinding performance with relatively low heat-generation.

Chemical Composition

Al2O3 SiO2 Fe2O3 TiO2
≥ 99.20 ≤ 0.07 ≤ 0.08 ≤ 0.45

Physical Properties

Property Value
Monocrystal Magnetic
Crystal Color Light Blue
Compressive Strength (24#~60#) 69 N/mm² - 26 N/mm²
Specific Gravity (H2O = 1) ≥ 3.95
Melting Point ≥ 2250°C
Bulk Density (16#-220#) 1.89 g/cm³ - 1.53 g/cm³
Mohs Hardness ≥ 9.00
pH About 7.11

Grits Available

F12 to F220; P16 to P220

In accordance with the current FEPA / JIS / ANSI sieve standards.

Applications

Grinding and Cutting Wheels: Used in the manufacture of rust-free vitrified, resin-bonded and rubber-bonded wheels that are perfect for grinding or cutting high hardness, high toughness metals such as heat-resistant alloy steel, titanium alloy steel, austenitic stainless steel, decorative stainless steel, or other easily burned work pieces.

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