High Alpha Rate Calcined Alumina Powder for Refractories and Ceramics

• CAS No.: 1344-28-1
• Formula: Al2O3
• Classification: Alumina
• Grade Standard: Industrial Grade
• Kind: Amphoteric Oxide
• Quality: First Class
• Model NO.: TCH-003, TCH-5H, TCH-30
• Size: 200 Mesh, 325 Mesh
• Alpha-Conversion Rate: 95%
• Loss on Ignition: 0.1%
• 325 Residue: 1%
• Transport Package: 25kg Bags
• Specification: 25kg
• Trademark: TCH
• Origin: China
• HS Code: 28182000
• Production Capacity: 4000mt/Month

Product Description

Packing: Woven Bag or Jumbo Bag
Unit Price/Payment: T/T or L/C
HS Code: 28182000
Origin: China
Min. Order: One 20 FCL
Quality: First Class
Classification: Alumina
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, MID East, Eastern Asia, Western Europe

Aluminium Oxide, calcined alumina

Technical Data:
AI2O3: >99.5%
Na2O: <0.3%
Fe2O3: <0.024%
SiO2: <0.019%
TiO2: <0.008%
L. O. I: <0.2%
Density: ≥ 3.95g/cm3
A-Al2O3: >93%
Medium Particle Size(D50): 3 um
Ultimate Crystal Size: 2-4um
BET Specific Surface Area: 1.0 m2/g

Payment: T/T in advance and balance after receiving the copy of B/L or L/C at sight
Delivery time: Within 2 weeks to ship since the date we receive your deposit or L/C at sight
Minimum order: 1x 20ft container also can consider small order for testing
22MT in one 20 FCL
FOB Port: Lianyungang
Packaging: 25 kg / bag/50kg/bag/ton bag

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, hardness and ability to withstand voltage, etc.

Note: The median particle size of above product can be made into special size according to your requirement. Also we can adjust the other specification according to your requirement

This calcined alumina is widely used for making refractory, glaze, ceramic and so on.
The specification of various code is shown as belows:

 

Specification
Main Application	Model	Al2O3	Na2O	Fe2O3	SiO2	TiO2	LOI	True Density	α-Al2O3	D50	Primary Particle Size
		≥ %	≤%	≤%	≤%	≤%	≤%	g/m3	≥ %	um	um
Dry Pressing	TCH-105	99.4	0.3	0.02	0.018	0.006	0.2	3.93	93	75	2--3
Injection moulding	TCH-213	99.5	0.25				0.15	3.95	95	75	3--4
Refractory series	TCH-31	99.4	0.3				0.15	3.92	90	75	2--3
	TCH-33	99.4	0.25				0.15	3.95	95	45	2--3
	TCH-003	99.4	0.3				0.13	3.95	95	4	3--5
	TCH-35	99	0.25		0.02		0.2	3.9	90	45	3--5
Glazing Series	TCH-30	99.5	0.25		0.019	0.008	0.1	3.95	95	3~5	2--4
Activated α-Alumina	TCH-5H	99.4	0.15		0.15			3.95	95	1
	TCH-5L	99.4	0.15		0.15			3.93	93	0.8
Low Soda Series	TCH-101	99.7	0.08		0.018	0.006	0.15	3.96	96	75	2--3
High Purity Ultra-fine	TCH-955	99.99	10 ppm	5 ppm	-	-			95	3	80 nm
	TCH-998	99.99	10 ppm	5 ppm	-	-			95	6	0.3 um