High Temperature Calcined Alumina Powder Al2O3 for Refractory Castable

• CAS No.: 1344-28-1
• Formula: Al2O3
• EINECS: 215-619-1
• Classification: Alumina
• Grade Standard: Industrial Grade
• Kind: Amphoteric Oxide
• Quality: First Class
• Particle Size: 3-5um
• Color: White
• Density: 3.95g/cm3
• Application: Glazing
• Purity: 99.5% Alumina
• Mesh: 325mesh
• D90: 15um
• Transport Package: Jumbo Bag
• Specification: 99.5% Alumina
• Trademark: TCH
• Origin: China
• HS Code: 28180000
• Production Capacity: 3000tons Per Month

Product Description

High temperature calcined alumina powder for refractory castables
The calcined alumina of our company is produced by the general international law of Bayer, boron free rotary kiln calcined, in addition to sodium washed by water, greatly improving the product quality, purity and stability, and the bulk density of ceramic products, mohs hardness and ability to withstand voltage, etc.

SGS specification

Production Process

Application	Model	Al2O3	Na2O	Fe2O3	SiO2	TiO2	LOI	True density	a-Al2O3	D50	Particle size	specific surface
	Unit	≥ %	≤%	≤%	≤%	≤%	≤%	g/m3	≥ %	um	um	m2/g
Dry pressing/CIP series	TCH-101	99.7	0.08	0.02	0.018	0.006	0.15	3.96	96	75	2--3	0.6-0.8
	TCH-102	99.6	0.1	0.02	0.018	0.006	0.15	3.95	95	75	2--3	0.6-0.8
	TCH-103	99.5	0.2	0.02	0.018	0.006	0.2	3.95	95	75	2--3	0.8-1.0
	TCH-105	99.4	0.3	0.02	0.018	0.006	0.2	3.93	93	75	2--3	0.8-1.0
Injection moulding	TCH-213	99.5	0.15	0.02	0.018	0.006	0.15	3.95	95	75	3--4	0.5-0.6
	TCH-211	99.7	0.1	0.02	0.018	0.006	0.1	3.96	96	75	3--5	0.5-0.6
Refractory series	TCH-31	99.4	0.3	0.02	0.018	0.006	0.15	3.92	90	75	2--3	0.1-0.8
	TCH-30	99.5	0.25	0.02	0.019	0.008	0.1	3.95	95	3	2--4	1.0-1.2
	TCH-33	99.4	0.3	0.02	0.018	0.006	0.15	3.95	95	43	2--3	0.9-1.0
	TCH-003	99.4	0.3	0.02	0.018	0.006	0.13	3.95	95	4	3--5	1.0-1.2
	TCH-35	99	0.3	0.02	0.02	0.006	0.2	3.9	90	43	3--5	0.9-1.0
Active A-Al2o3	TCH-5H	98.8	0.15	0.02	0.15			3.95	95	1
	TCH-5L	98.6	0.15	0.02	0.15			3.93	93	0.8
Polishing series	TCH-61	97	0.1	0.1-0.2	0.18-2			3.95	95	40-60
	TCH-62	97	0.1	0.1-0.2	0.18-2			3.95	95	4--5
	TCH-63	98	0.1	0.05-0.6	0.18-0.2			3.97	95	4--5
Glazing series	TCH-7	99.6	0.2	0.02	0.018			3.95	95	55
	TCH-703	99.6	0.2	0.02	0.018			3.95	95	15
	TCH-713	99.6	0.2	0.02	0.018			3.95	95	4