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$Special Alumina Granules for Refractory Materials$

$Special Alumina Granules for Refractory Materials$ $Special Alumina Granules for Refractory Materials$

Special Alumina Granules for Refractory Materials

This product is high-purity aluminum oxide granules (Al2O3), specially designed for the refractory materials industry. It features high refractoriness (≥1800°C), excellent thermal shock stability, and corrosion resistance, making it suitable for various high-temperature industrial furnaces, refractory bricks, castables, and ceramic fiber products. Using selected raw materials and advanced sintering processes, it ensures high particle strength and chemical stability, significantly enhancing the service life and high-temperature performance of refractory products.

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Product Description

Product Description
This product is high-purity aluminum oxide granules (Al ₂O ₃), specially designed for the refractory materials industry. It features high refractoriness (≥1800°C), excellent thermal shock stability, and corrosion resistance, making it suitable for various high-temperature industrial furnaces, refractory bricks, castables, and ceramic fiber products. Using selected raw materials and advanced sintering processes, it ensures high particle strength and chemical stability, significantly enhancing the service life and high-temperature performance of refractory products.

Core Advantages
Ultra-high purity (Al ₂O ₃≥99%) - Low impurity content ensures high-temperature stability
Excellent refractory performance (≥1800°C) - Suitable for extreme high-temperature environments
Customizable particle size (2-50μm) - Meets the needs of different refractory material formulations
High bulk density - Improves the compactness and strength of refractory products
Excellent thermal shock resistance - Reduces the risk of cracking and spalling in refractory materials
Chemical corrosion resistance - Resistant to acids, alkalis, and molten metals

Typical Applications
Refractory bricks: High-alumina bricks, magnesia-alumina bricks, silica bricks, etc.
Unshaped refractory materials: Castables, gunning materials, ramming mixes
Furnace linings: High-temperature furnaces in the steel, cement, and glass industries
Ceramic fiber products: Enhances the high-temperature resistance of fiber blankets and modules
High-temperature coatings: Used for protective coatings on metal surfaces

Why Choose Us?
Strict quality control - Each batch is tested to ensure stable composition and performance
Customization services - Supports adjustments to parameters such as particle size, purity, and composition
Technical support - Provides optimization suggestions for refractory material formulations
Stable supply - Guarantees long-term cooperation needs

Packaging and Transportation
Standard packaging: 25kg/bag (customizable)
Transportation methods: Sea/land transport, supporting global exports

Inquiry Tips
Free samples and technical data sheets (TDS) are available - welcome to request!
OEM services supported - Can adjust product specifications according to customer requirements

Quality Index

Serial Number	Project	Unit	Index
Serial Number	Project	Unit	YJ-A	YJ-B
1	AL₂O₃	%≥	99.5	99.5
2	SiO₂	%≤	0.10	0.10
3	Fe₂O₃	%≤	0.03	0.04
4	Na₂O	%≤	0.10	0.20
5	Caustic soda	%≤	1.0	1.0
6	α-AL₂O₃	%≥	96.0	95.0
7	True proportion	%≥g/cm3	3.96	3.94
8	Particle size%	≤2um	≥90	≥85
8	Particle size%	D50um	≥0.60	≥0.80