High Quality 98.7% Metallurgical Grade Calcined Alumina

• Refractoriness (℃): Refractoriness> 2000
• Feature: Long Time Materials, Instant Materials
• Type: Refractory Material
• Shape: Powder
• Material: Alumina Block
• Transport Package: Packing: 25kgs, 500kgs, 1000kgs, Valve Bags
• Model NO.: 28181010
• Specification: 85-90
• Trademark: XS
• Origin: China
• HS Code: 28181010
• Production Capacity: 8000000mt/M

Product Description

High quality calcined alumina for refractory 
Calcined Alumina was made from the high quality alumina by melting above 2000 , It is white with the main crystal phase alpha-Al2O3. It has good flow ability, performance stability, hardly soluble in acid and alkali, excellent sintering property. It used as high quality material for aluminous refractory, sintering corundum and ceramics.
HS :28181010

Al2O3	Fe2O3	SiO2	Na2O	LOI	water
99.637	0.015	0.018	0.25	0.08	0.05

PHYSICAL PROPERTIES:
Specific surface area   2 m2/g
Angle of repose      35 deg
Crystal form            Alpha-Al2O3
Bulk density         1.4 g/cm3
Grain density          1.0 g/cm3

MOSTLY USED AS :
Widely used in refractory industry, ceramic industry, polishing industry , etc.

PACKING:25kgs Pvc bags+1MT big jumbo bag

Packing : 20kg or 50kg/ barrel (of iron/ plastic/paper) or according to your requests.