Sillimanite
Category:
Product Introduction
Product Details
Sillimanite is a member of the kyanite group of minerals, also known as sillimanite. Its crystals typically exhibit a flattened prismatic shape with a chain-like structure.
Color: Gray, white-brown, or light blue with a vitreous luster. Relative hardness: 6–7.5. Bulk density: 3.23–3.27 g/cm³.
Product Specifications
80 mesh to 120 mesh (custom processing available per user requirements)
Application Fields
Ceramic materials, refractory materials, foundry materials, silicon-aluminum alloys, crucible kiln furniture, precision casting, insulators, and decorative materials.
Product Characteristics
Natural crystalline raw material with high refractoriness;
High mechanical strength at elevated temperatures;
Excellent high-temperature volume stability, creep resistance, slag resistance, and acid/alkali resistance;
Superior thermal shock stability.
Physical and Chemical Properties
Product Name | DT-57 | DT-56 | DT-55 | DT-54 | DT-53 |
Al₂O₃ (%)≥ | 57 | 56 | 55 | 54 | 53 |
Fe₂O₃ (%)≤ | 0.8 | 0.9 | 1.0 | 1.1 | 1.2 |
TiO₂ (%)≤ | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 |
K₂O+Na:0(%)≤ | 0.5 | 0.5 | 0.6 | 0.7 | 0.7 |
Loss on Ignition (%)/≤ | 1.5 | ||||
Refractoriness (°C) | 1800 | 1780 | |||
Keywords:
Silicite
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