VERMICULITE CONCENTRATE
We produce three grades of vermiculite concentrate in our Raw Vermuculite Separating Installation:
Micron Grade: 0.540 mm -0.180 mm
Super Fine Grade:0.800 mm- 0.350 mm
Fine Grade:1.2 mm- 0.350 mm
BASIC PHYSICAL AND CHEMICAL PROPERTIES OF VERMICULITE FRACTIONS
|
Grade |
Bulk density kg/cub.m |
Vermiculite concentration % |
Increased expansion volume – cub.m/T |
Impurities content |
|
Micron: 0.540 mm – 0.180 mm |
1000 - 1100 |
≥ 77% |
5 - 5,5 |
≤ 23 |
|
Super Fine: 0.800 mm – 0.350 mm |
910 - 1000 |
≥ 80% |
6 - 7 |
≤ 20 |
|
Fine: 1.2 mm – 0.350 mm |
910 - 1000 |
≥ 78% |
6 - 7 |
≤ 22 |
| Moisture content- % | ≤ 5 |
| рН | 6 - 8 |
| Hardness according to Mohs Scale | 1 - 2 |
| Specific gravity | 2,5 |
| Cation exchange – me/100 g | 93,4 |
| Content of crystalline silica - SiO2 | No |
| Content of asbestos | No |
EXFOLIATED VERMICULITE
We produce exfoliated Vermiculite Super fine grade 0 ÷ 2 mm
CHARACTERISTICS OF EXFOLIATED VERMICULITE
|
Grades - mm |
Bulk Density-kg/m³ |
Particle Size Distribution | ||
|
Super Fine: 0 ÷ 2 |
120 - 140 |
> 2мм - 0,77% |
0,315 ÷ 2,0 – 91,74% |
˂ 0,315 – 7,49% |
| Typical Properties | |
| Sintering Temperature | 1150 - 1250 C° |
| Melting Point | 1200 - 1320 C° |
| Thermal Conductivity | 0,064 – 0,071 W/mK |
| Specific Heat | 0,84 - 1,08 kJ/kgK |
| Cation exchange | 93,4 meq/100g |
| Absorption capacity | 500% |
| pH | 6-8 |
