99% Reactive Alumina Alpha Alumina Powder for Ceramics and Refractories

• CAS No.: 1344-28-1
• Formula: Al2O3
• EINECS: 215-691-6
• Classification: Alumina
• Grade Standard: Industrial Grade
• Kind: Acidic Oxide
• Quality: First Class
• Particle Size: <1um
• Color: White
• Crystal: Alpha
• Fluidity: Good
• Application: Refractory
• Density: 3.90g/cm3
• Purity: >99.5% Alumina
• Transport Package: Normal Packing
• Specification: 1um
• Trademark: TCH
• Origin: China
• HS Code: 281820000
• Production Capacity: 3000tons Per Month

Product Description

Activated Alpha Alumina Powder for refractory and ceramics
 
ZALY'S actived alumina powder ,used  Ultra-low temperature transformation calcining process,property is:
 
1: Good chemical activity
 
2:Fine particle size 
 
3: Low water absorption
 
4: Good fluidity
 
Application:Suitable for  iron trough castable, overall ladle injection materials, pouring burning layer is 
 
very dense, anti-permeability is better, erosion rate is low.

Production Process

Chemical composition	Al2O3	(%)	≥99.8
	Na2O	(%)	≤0.06
	SiO2	(%)	≤0.02
	Fe2O3	(%)	≤0.02
	CaO	(%)	≤0.02
	A-Alumina	(%)	≥96
Specific gravity		(g/cm3)	≥3.95
D50		(μm)	1.0
D90		(μm)	3.6