8653-36165788
Lijia Industrial Park, Wangcun Town, Zhoucun District, Zibo, Shandong, China
Calcined kaolin clay,Calcined flint clay,Refractory chamotte
Characteristics:
1. High refractoriness.
2. Physicochemical stability.
3. Bulk density high .
4. Low porosity.
5. Low water absorption.
6. Fully calcined
7. Low impurity content.
8. Pure white.
Size and used:
Size of sand: 8-16,16-30,30-60,30-80,60-80,80-120 (mesh):Used for investment casting.
Size of powder: -200mesh,-270mesh,-325mesh: Used for investment casting and refractories.
Size of particles: 0-1mm,1-3mm,3-5mm,5-8mm,8-15mm,0-5mm,0-50mm:Used for refractories.
Physical and Chemical index:
Item/Grade | YNS45 | YNS45 | YNS44 | YNS44 | YNS43 | YNS42 | YNS40 | YNS36 |
A | B | A | B | |||||
AL2O3 % | 46-48 | 45-48 | 44-48 | 44-48 | 43-48 | 42-46 | 40-46 | 36-42 |
SiO2 % | 49-52 | 49-52 | 50-53 | 50-53 | 50-53 | 50-53 | 50-54 | 50-55 |
Fe2O3 % (max) | 1.0 | 1.15 | 1.3 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 |
Ti02 % (max) | 0.8 | 0.8 | 0.9 | 0.9 | 1.0 | 1.1 | 1.2 | 1.3 |
K2O+Na2O % (max) | 0.3 | 0.3 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 |
Ca0+Mg0 % (max) | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.6 | 0.7 | 0.8 |
Bulk density g/cm³(min) | 2.58 | 2.55 | 2.52 | 2.50 | 2.45 | 2.40 | 2.37 | 2.30 |
Refractoriness °C(min) | 1780 | 1770 | 1760 | 1750 | 1740 | 1720 | 1710 | 1700 |
Impurities % (max) | 0.5 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 |
Applications:
Calcined kaolin is mainly used for manufacturing high-quality refractory products, refractory castable, sagger, kiln furniture, crucibles, ceramic fiber, precision casting sand, ceramics products, etc.
