High Purity 99.8 Alpha Alumina Powder for Electronic Ceramics

• CAS No.: 1344-28-1
• EINECS: 215-619-1
• Classification: Alumina
• Model NO.: TCH-1
• 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
• Trademark: TCH
• Origin: China
• HS Code: 281820000
• Production Capacity: 3000tons Per Month

Product Description

Actived Alpha Alumina Powder for refractory 
 
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

TT	TARGET	UNIT	REQUIRE
I .CHEMICAL %
1	Al2O3 (α- Al2O3 >95%)	%	99.8
2	SiO2	%	0,052
3	Na2O	%	0.05
4	Fe2O3	%	0,013
II. PARTICLE SIZE			<1µm
III. DENSITY		G/CM 3	3,9
IV. MOISTURE		%	<0.1