Andalusite
Category:
Product Introduction
Product Details
Andalusite is one of the minerals in the blue crystal group, usually with columnar crystals, island shaped structures, and nearly square cross-sections.
Color: pink, reddish brown or gray white, with a glassy luster, relative hardness of 6-7.5, and a bulk density of 3.1-3.2 g/cm3。
Product Specifications
0–1 mm, 1–3 mm, 200 mesh (can be processed according to special user requirements)
Application Fields
Ceramic materials, refractories, foundry materials, silicon-aluminum alloys, crucibles and 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 Indicators
Product Name | DTA-60 | DTA-59 | DTA-58 | DTA-57 | DTA-56 | DTA-55 | DTA-52 | DTA-40 |
Al₂O₃ (%)≥ | 60 | 59 | 58 | 57 | 56 | 55 | 52 | 40 |
Fe₂O₃ (%)≤ | 0.5 | 0.6 | 0.8 | 0.8 | 1.2 | 1.3 | 1.5 | 1.5 |
TiO₂(%)≤ | 0.5 | 0.5 | 0.5 | 0.5 | 0.6 | 0.6 | 1.0 | 1.0 |
K₂O+Na₂O (%)≤ | 0.3 | 0.3 | 0.3 | 0.4 | 0.5 | 0.5 | 1.0 | 1.0 |
Loss on Ignition (%)≤ | 1.0 | |||||||
Refractoriness (°C) | 1800 | 1780 | ||||||
Keywords:
Andalusite
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