HS Code: 2526
C.A.S number: 14807-96-6
Haz class: H316 ,H350 ,H335
Technical Specifications
| PARAMETERS | SPECIFICATIONS |
|---|---|
|
Appearance
|
Fine free flowing powder free from visual Contamination
|
|
Fineness (mesh)
|
200-700
|
|
Brightness /Whiteness
|
80-99.9 %
|
|
SiO2
|
60.10%
|
|
Oil Absorption
|
35% (Linseed Oil)
|
|
Fe2O3
|
0.52%
|
|
Specific Gravity
|
2.6 (Helium Displacement)
|
|
CaO
|
0.4% Hardness 1 (Mohs)
|
|
Reflectance
|
>65 (Opacity Reflect meter)
|
|
Refractive Index
|
1.58
|
|
Ph (10% aqueous suspension)
|
7.0- 10%
|
|
Acidity & Alkalinity
|
2.0% max
|
|
LOI
|
3.5- 7 % max
|
|
Magnesium oxide
|
30-32.5 %max
|
|
Solubility (in water)
|
0.5 % Max
|
|
Solubility (in HCL)
|
Solubility (in HCL) 5% Max
|
|
Bulk density ( tapped
|
0.40-90 gm /cc
|
|
Chloride
|
150- 250 ppm max
|
|
Acid Soluble substance
|
1.5-2.0 % max
|
