Holosphere - M
Chemistry
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Miscellaneous
- Family: Other
- Region: None
- Mined At: Unspecified
- Raw Mineral: No
- Generic: No
Notes
A hollow sphere of mullite ceramic, fired at 1740C in sizes of 3.0-5.0mm, 1.5-3.0mm, 0.5-1.5mm. It has very low density, low thermal conductivity and high crushing strength. Its main use is in refractories, but it is also suitable as a bedding material for the firing of delicate ceramic objects of all types.
Refractoriness: 1875/1900C
Suppliers
- Keith
Authors
- Tony Hansen (Owner)
XML
<?xml version="1.0" encoding="UTF-8"?>
<material name="Holosphere - M" descrip="" generic="0" rawmineral="0" searchkey="" loi="0.00">
<families>
<family name="Other"/>
</families>
<oxides>
<oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="0.050" tolerance=""/>
<oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="0.150" tolerance=""/>
<oxide symbol="K2O" name="Potassium Oxide" status="" percent="0.800" tolerance=""/>
<oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="0.300" tolerance=""/>
<oxide symbol="TiO2" name="Titanium Dioxide, Titania" status="" percent="0.200" tolerance=""/>
<oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="73.300" tolerance=""/>
<oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="24.700" tolerance=""/>
<oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="0.500" tolerance=""/>
</oxides>
<suppliers>
<supplier name="Keith" country="UK" url="www.kcm.co.uk" label=""/>
</suppliers>
<notes>
<note>A hollow sphere of mullite ceramic, fired at 1740C in sizes of 3.0-5.0mm, 1.5-3.0mm, 0.5-1.5mm. It has very low density, low thermal conductivity and high crushing strength. Its main use is in refractories, but it is also suitable as a bedding material for the firing of delicate ceramic objects of all types.
Refractoriness: 1875/1900C
</note>
</notes>
</material>
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