TOSA Emery
‘Emery’ or ‘Tosa Emery’ is composed by Corundum Crystal, Mullite Crystal and other elements and it is artificial emery with high-strength crystal grain that are in artificial alumina class.
Specification
| CHEMICAL COMPOSITION | |
| Al2O3 | 81.5 – 81.9 |
| SiO3 | 9.1 – 9.5 |
| Fe2O3 | 5.9 – 7.2 |
| TiO2 | 2.6 |
| CaO.Mgo | 0.5 |
| lg Loss | (-0.4) – (-5.9) |
| PHYSICAL PROPERTIES | |
| Knoop hardness 1960 | |
| Special Gravity | 3.66 – 3.72 |
| Bulk Density | 1.61 – 1.65 |
AVAILABLE SIZE
# 8, 10, 12, 14, 16, 20, 24, 30, 36, 40, 50, 60, 70, 80, 90, 100, 120, 150, 180, 200, 220, 240, 250, 280, 320, 400, 600, 800,1000, 1200
| PHYSICAL / CHEMICAL DATA | |
| SPECIFIC GRAVITY (H20 = 1) | 3.79 |
| BOILING POINT : | 2900 C |
| MELTING POINT | ABOUT 2000 C |
| VAPOR PRESSURE (PA) | NOT APPLICABLE |
| VAPOR DENSITY (AIR – 1) | NOT APPLICABLE |
| SOLUBILITY IN WATER | INSOLUBLE |
| APPEARANCE AND ORDER | GRAYISH BLACK POWER, ODORLESS |
Size
| GRADE |
MICRON SIZE
|
| Mesh 16 |
1180
|
| Mesh 20 |
850
|
| Mesh 24 |
740
|
| Mesh 30 |
600
|
| Mesh 36 |
480
|
| Mesh 40 |
425
|
| Mesh 46 |
326
|
| Mesh 60 |
250
|
| Mesh 80 |
180
|
| Mesh 90 |
166
|
| Mesh 100 |
150
|
| Mesh 120 |
125
|
| Mesh 150 |
100
|
| Mesh 180 |
83
|
| Mesh 220 |
68
|
| Other sizes are also available. | |