 |
| LABORATORY |
QUALITY CONTROL
Our quality control maintains the strict verification of all the raw materials, making daily analyses and finishing with the tests of the roasted product.
The grain sizing in the crushing process is controlled by our laboratory, making possible the shipment with each expedition of the corresponding certificate of quality.
|
| LABORATORY |
In the following table you can see the Chemical Analysis with indicative values:
| FORMULACION | CAOLIN (%) |
CHAMOTAS (%)(Calcinado) |
| Si O2 | 47 a 49 | 54 a 55 |
| Al2 O3 | 34 a 36 | 40 a 42 |
| Ti O2 | 1 a 1,15 | 1,20 a 1,30 |
| Fe2 O3 | 0,50 a 0,90 | 0,57 a 1,02 |
| Ca O | 0,04 | 0,05 |
| Mg O | 0,11 | 0,13 |
| Na2 O | 0,05 | 0,06 |
| K2 O | 0,70 a 1,4 | 0,80 a 1,60 |
 |
| ANALISYS LABORATORIE |
Now we present a PHYSICAL CHARACTERISTICS TABLE:
GRAIN SIZING |
|
| Standard | 0-50 m/m. |
| PHYSICAL CHARACTERISTICS | |
| Bulk specific gravity | 2,40 a 2,44 g/cm3 |
| Actual density | 2,66 a 2,70 g/cm3 |
| Volume porosity | 4,80 a 6,00 % |
| Total porosity | 9,00 a 10,00 % |
| Water absorption | 2,00 a 2,40 % |
| Seger cone pyroscopic resistance | 34 a 35 |
| Roasting temperature | 1.380 - 1.500 oC |
| FASE PERCENTAGES | |
| Mullite | 55,65 % |
| Cristobalite | 7,49 % |
| Glasslike phase | 36,86 % |
| According to SiO2 - Al2O3 - K2O System | |
In order to obtain more information about our firm you can contact us through our e-mail or you can visit our Feedback page.