Calcined Kaolin:
1.CAS NO.:1332-58-7
3.HS CODE: 25070010
4.Molecular Formula: Al203·2Si02·2H20
5.Molecular Weight: 258
6.Appearance: White Lump
7.Detail Specification of Kaolin:
Property Index |
Reult |
Whiteness(%) |
93.5 |
Particle-2μm(%) |
80 Min |
325-Head of Screenings(%) |
0.003 Max |
PH Value |
6.00-8.00 |
Dispersion(μm) |
50 Max |
Mosture Content(%) |
0.50 Max |
Chemical Index |
Result |
SiO2(%) |
52 |
Al2O3(%) |
45 |
Fe2O3(%) |
0.35 Max |
TiO2(%) |
0.8 Max |
CaO(%) |
0.2 Max |
MgO(%) |
0.2 Max |
K2O(%) |
0.05 Max |
Na2O(%) |
0.15 Max |
8.Properties:
Calcined kaolin have high whiteness, the average whiteness is 93 %, the best whiteness can reach 97%. High viscosity, up to 74%, good dispersibility, possesses good compatibility with natural and synthetic adhesives or other additives in the formula, it can make the paint with good rheological properties.
9.Usage:
It is widely used in ceramics, plastic, paper making, rubber industries, Refractoriness Industry and so on.
10.Package,Storage,Transportation:
Packed in 25kgs p.p bag and 1MT Jumbo bag,cargo should be kept in good & dry condition. to avoid brakage,contamination.