High Temperature Calcined Alumina Powder for Ceramics and Refractory

• CAS No.: 1344-28-1
• Formula: Al2O3
• EINECS: 215-691-6
• Classification: Alumina
• Grade Standard: Industrial Grade
• Kind: Amphoteric Oxide
• Model NO.: TCH-30, TCH-5H, TCH-7
• Quality: First Class
• Color: White
• Purity: 99.5%
• Sodium Oxide: 0.25%
• Grain Size: 3-5um, 45um, 75um
• Transport Package: 25kg/Bag on Wooden Pallet
• Specification: SGS, ISO
• Trademark: TCH
• Origin: Australia, China
• HS Code: 28182000
• Production Capacity: 2000 Ton Per Month

Product Description

 TCH Calcined Alumina Powder  

 

TCH-calcined alumina features:

 

*Production process : Traditional Bayer process

*High alumina, low sodium

*1-75um powder (200 mesh,325 mesh, 3000-5000 mesh etc)

*High density 3.95g/cm3

*1450°C high temperature calcined

*Stable quality control

*Factory located in import-export tax free area, price is best.

 

Application :

*Wear resistant ceramic, electronic ceramics, technical ceramic, various industrial ceramic parts.

*Refractory- - Shaped refractory  (firebrick etc) & Unshaped refractory (castable etc)

*glaze series.

*Grinding Media raw material

 

 Suitable for dry pressing, CIP, injection moulding etc. 
 

Calcined Alumina Powder Specification
Type	Model	Al2O3	Na2O	Fe2O3	SiO2	TiO2	LOI	True Density	a-Al2O3	D50	Primary 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	0.25	0.02	0.018	0.006	0.15	3.95	95	75	3--4	0.5-0.6
	TCH-211	99.5	0.25	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--5	2--4	1.0-1.2
	TCH-33	99.4	0.25	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	0.25	0.02	0.02	0.006	0.2	3.9	90	43	3--5	0.9-1.0
Active α-Al2o3	TCH-5H	99.4	0.15	0.02	0.15			3.95	95	1
	TCH-5L	99.4	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