Physical Characteristics

Fused Brown Aluminium Oxide

Basic Mineral – α-Al2O3
Crystal System – Hexagonal
Crystal Colour – Brown
Density >3.90g/cm3
Mohs Hardness 9
Hardness HV1800-2200
Grinding Ability (Compared with diamond as one) 0.10
(900° x+10-6K-1) Linear Expansion Coefficient (When 900Cz = 10-6K-1) = 7.6
Electrical Resistivity = 1014-1016   Ω•cm

Fused White Aluminium Oxide

Basic Mineral – α-Al2O3
Crystal System – Hexagonal
Crystal Colour – White
Density >3.90g/cm3
Mohs Hardness 9
Hardness HV2200-2300
Grinding Ability (Compared with diamond as one) 0.12
(900° x+10-6K-1) Linear Expansion Coefficient (When 900Cz = 10-6K-1) = 8.3
Electrical Resistivity = 1014-1016   Ω•cm

Black Silicon Carbide

Basic Mineral – α-SiC
Crystal System – Hexagonal
Crystal Colour – Black
Density >3.12g/cm3
Mohs Hardness 9.15
Hardness HV3100-3280
Grinding Ability (Compared with diamond as one) 0.25
(900° x+10-6K-1) Linear Expansion Coefficient (When 900Cz = 10-6K-1) = 4.4
Electrical Resistivity = 3×105-3×107    Ω•cm

Green Silicon Carbide

Basic Mineral – α-SiC
Crystal System – Hexagonal
Crystal Colour – Green
Density >3.18g/cm3
Mohs Hardness 9.15
Hardness HV3280-3400
Grinding Ability (Compared with diamond as one) 0.28
(900° x+10-6K-1) Linear Expansion Coefficient (When 900Cz = 10-6K-1) = 4.6
Electrical Resistivity = 3×105-3×107   Ω•cm

Zircon Sand & Flour

Form:  Sand Grit & Flour
Colour:  Light Beige / White
Smell: Odourless
Size Ranges: #100 / #200
Specific Gravity (Approx.):  4.6g/cc.
Bulk Density: 2.6t per cubic meter
Hardness: 7.5 Mohs.
Mineral: Zirconium Silicate

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Phone : +61 3 9560 5100