Kaolin is a mixture of inorganic and non-metal. Calcining kaolin is to sintered kaolin in a calcining furnace to a certain temperature and time, so that its physical and chemical properties have certain changes to meet certain requirements.
WASHED KAOLIN WHITNESS 85 | ||
NO. | Item | Result |
1 | LOSS(1025℃) | 11.87 |
2 | Al2O3 | 35.05 |
3 | SiO2 | 50.96 |
4 | Fe2O3 | 0.68 |
5 | CaO | 0.01 |
6 | MgO | 0.05 |
7 | K2O | 0.93 |
8 | Na2O | <0.01 |
9 | TiO2 | 0.3 |
10 | Whiteness(1200℃ Heat Preservation 30 min, Blue Light) | 87.2 |
CALCINED KAOLIN | |||
NO. | Item | Result | |
1 | LOSS(1025℃) | <0.05% | |
2 | Al2O3 | 0.4478 | |
3 | SiO2 | 0.5375 | |
4 | Fe2O3 | 0.0035 | |
5 | CaO | 0.0001 | |
6 | MgO | <0.01% | |
7 | K2O | 0.0017 | |
8 | Na2O | 0.0006 | |
9 | TiO2 | 0.0072 | |
10 | Whiteness(1200℃ Heat Preservation 30 min, Blue Light) | 93.8 | |
11 | 1200℃×30min | L* | 97.84 |
a* | 0.43 | ||
b* | 1.36 |
Ceramic Industry: The kaolin used in the ceramic industry is a series of products produced with high-quality raw materials and advanced processing equipment. These products have high purity and stable chemical properties, and possess unique physical performance advantages over domestic counterparts (such as suspension, insulation, plasticity, adhesion, coverage, wide firing range, etc.). The ceramic products made from this product are white, dense, have high mechanical strength, and a high rate of top-quality products. The glaze-grade products are fine-textured, white, and have good covering power. The product surface is smooth and as white as jade, making it an indispensable ideal raw material for daily-use, architectural, and sanitary ceramics.
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