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Technical data |
 Chemical analysis
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 (SiO2) SILICA :
(Al2O3) ALUMINA :
(Fe2O3) IRON OXYDE :
(MgO) MAGNESIA :
(CaO) LIME :
(K2O) POTASSIUM OXIDE : |
98,43 %
0,10 %
0,016 %
< 0,005 %
0,17 %
0,044 % | | |
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(TiO2) TITANIUM OXIDE :
(P2O5) PHOSPHATES :
(Na2) SODIUM OXIDE :
(MnO) MANGANESE :
LOSS ON IGNITION : |
0,005 %
< 0,04 %
< 0,061 %
< 0,03 %
1,09 % | |
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Physical properties
Specific weight : 2,60
Apparent density : 1,60
Hardness mohs : 8
Porosity : 0,38 % |
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Average wear ratio of flint pebbles
Hard products: silica sand – feldspar
- 0.60 % to 0.90 % depending on the fineness of the product milled
Ceramic bodies* (white body)
* to produce 1,000 kg of ceramic body, between 4 and 5 kg of pebbles will be necessary |
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 IMPORTANT INFORMATION
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Our pebbles are acid-resistant.
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