High-alumina Calcined Kaolin for Foundry sand and Refractory
material
(0-1mm,1-3mm,3-5 mm,16-30mesh,30-60mesh,200mesh)
1. Production Introduction and Application
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.
2. Specification
| 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 |
0-1mm
1-3mm
3-5mm
5-8mm
We have different grades of mullite sand for you to choose.
Grade I(200mesh,30-60mesh,16-30mesh)
Grade II(200mesh,30-60mesh,16-30mesh)
Grade III(200mesh,30-60mesh,16-30mesh)
22S
353S
200M
3. Characteristics:
1. High refractoriness.
2. Physicochemical stability.
3. Volume density high .
4. Low porosity.
5. Low water absorption.
6. Fully calcined
7. Low impurity content.
8. Pure white.
4. Our company
Our mine company was established in September 2003,is an international trade company combined with production,
processing and sale. In 2018,its trading company ,Qingdao
Jinjunxuan International Trade Co.,ltd,Its main products include
flint clay, high bauxite, synthetic mullite precision foundry sand,
refractory product, casting refractory material, refractory fiber
and other refractory raw materials.
The above products are used in many kinds of field including
metallurgy, non-ferrous metal, generating electricityfoundry and so
on. The market covers many countries and areas in the world such as
European Union, South Africa, Japan, Australia, Thailand, Malaysia
India, China Taiwan and also more than ten cities.
5. Our package
