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What is Duralox 92W Typical Properties Offered sizes of beads
Typical Properties

Duralox beads are tough & sapphire hard, measuring 9 on Moh's scale. Dense in structure, abrasive in nature and resistant to abrasion wear, they withstand high temperature, are chemically inert, non porous, gas tight, non toxic, non magnetic, non radioactive, free of voids, with smooth surface finish.

Physical Properties
1 Composition
:
92% Al2O3
2 Colour
:
White
3 Average crystal size
:
2-10 microns
4 Specific gravity
:
≥ 3.70
5 Porosity
:
Gas tight
6 Water absorption
:
Nil
7 Hardness (on Moh's scale)
:
9+
8 Vicker’s (Hv10)
:
1300
9 Compressive strength (20°C)
:
2,000 Mpa
10 Crushing Strength (Ø 2.0mm bead)
:
90-100 kgf
11 Flexural strength (25°C)
:
3200 Kg / cm2
12 Modulus of elasticity
:
2.7 x 106 kg / cm2
13 Fusion temperature
:
>1900°C (3450°F)
14 Maximum use of temperature (no load condition)
:
>1400°C (2550°F)
15 Coefficient of thermal expansion (20°C to 1000°C)
:
7.6 x 10-6/°C

 

Chemical Properties
1 Al2O3
:
92.3%
2 SiO2
:
2.55%
3 MgO
:
2.45%
4 CaO
:
2.10%
5 Na2O
:
0.29%
6 BaO
:
0.13%
7 Fe2O3
:
0.07%
8 TiO2
:
0.06%
9 Others
:
0.05%
 
         
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