- TypeKaolin
Kaolin the enriched TU 5729 - 071 - 00284530 - 96
KBE - 2 brand (powder)
1. Application of a kaolin
Porcelain
Electrotechnical porcelain
Engeneering ceramics
Filler in the paper industry
Perfumery industry
Glazes, engobes
Porcelain tile, refractory materials
Sanitary ceramics
Majolica, tonkokamenny products
Terracotta, bridge clinker
2. Chemical composition of a kaolin
Fraction of toral mass of oxides, % : |
|||
SiO2, not less |
46,3 |
K2O, no more |
1,0 |
Al2O3, not less |
36,0 |
Na2O, no more |
0,2 |
Fe2O3, no more |
1,0 |
SO3, no more |
0,15 |
TiO2, no more |
0,8 |
P2O3, no more |
0,1 |
SAO, no more |
0,4 |
PMPP, no more |
14,0 |
MgO, no more |
0,3 |
3. Mineral composition of a kaolin
Kaolinite | 84% |
Quartz | 8% |
Felspar | 1% |
Hydromica | 7% |
Sericite | traces |
4. Grain structure of a kaolin
Maintenance of particles size, in % : | |
less than 5 microns | 60±5% |
less than 20 microns | 85±5% |
The rest on a sieve No. 0056 | 0,5% |
5. Physical and chemical properties of a kaolin
Fraction of toral mass of soluble Sa and Mg in a water extract, mg - ekv of/100 g, no more |
1,8 |
Fraction of toral mass chlorine ions (S1 - ) in a water extract, % , no more |
0,7 |
Fraction of toral mass sulfate ions (SO42 - ) in a water extract, % , no more |
0,6 |
Capacity of absorption of kaolins, mg/g, no more |
15,0 |
Concentration of hydrogen ions in a water extract (rn), no more |
9,5 |
Temperature, °C: |
|
agglomeration of samples |
1450 - 1500 |
melting |
1720 - 1750 |
Total specific activity of natural radionuclides, Bk * kg - 1, no more |
370 |
6. Engineering properties of a kaolin
Plasticity across Atterberg | 5 - 7 |
Bending strength in a dry state, MPa, not less | 0,6 |
Density of the kaolin which is dried up at 100 °C g/cm3 | 2,8 |
Air shrinkage, % | 0,8 - 2,8 |
Shrinkage in roasting (1300 °C), % | 9,2 - 11,1 |
Bulk density, kg/m3 | |
before consolidation, not less | 380 |
after consolidation, no more | 550 |
Whiteness, % | 77±2 |
Fraction of toral mass of moisture, % , no more | 0,5 |