99.7% Fine Calcined Alumina Powder for Thermal Connductive Material

• CAS No.: 1344-28-1
• Formula: Al2O3
• EINECS: 215-691-6
• Classification: Alumina
• Grade Standard: Industrial Grade
• Kind: Amphoteric Oxide
• Model NO.: TCH-1
• Quality: First Class
• Grain Size: 75 Micron, 45 Micron, 3-5 Micron
• Transport Package: 25 Kg Bag
• Specification: TCH-1, TCH-2
• Trademark: TCH
• Origin: China
• HS Code: 2818200
• Production Capacity: 20000 Ton Per Year

Product Description

1. Technics: Calcined temperature beyond 1300C, the alumina powder be calcined without Boron, Ultimate crystal size 3-5um.
2. Application: TCH-1/TCH-2/TCH-3 is good for producing electronic alumina ceramic/wear resistant ceramic(alumina wear tile, alumina ceramic brick, alumina ball)/alumina ceramic substrate.
3. Payment Term: TT /LC AT sight.
4. Delivery time: Within 2 weeks to ship since the date we receive your deposit or L/C at sight.
5. AI2O3>99.7% Na2O <0.3% Fe2O3<0.024% SiO2<0.019% TiO2<0.008%.
6. Loss weight when burning<0.2% Density=3.96g/cm3 a-Al2O3>93%
Medium particle size(D50) 75um Ultimate crystal size 3-5um
BET specific surface area 1.0 m2/g

Characters:
This product is refined from high quality calcined alumina by scientific confecting, rubbing, pulping, spraying, drying. The product is charactered by reasonable particle size, moderate strength, good fluidity, low sintering temperature, easy demolding.
 

Calcined Alumina for Ceramics, Refractories and Thermally Conductive Materials
Specification
Main Application	Model	Al2O3	Na2O	Fe2O3	SiO2	TiO2	LOI	True Density	α-Al2O3	D50	Primary Particle Size
		≥ %	≤%	≤%	≤%	≤%	≤%	g/cm3	≥ %	um	um
Dry Pressing	TCH-101	99.4	0.3	0.02	0.018	0.01	0.2	3.93	94	75	2--3
Injection Moulding	TCH-213	99.5	0.25				0.15	3.95	94	75	3--4
Refractory Series	TCH-31	99.4	0.3				0.15	3.92	92	75	2--3
	TCH-33	99.4	0.25				0.15	3.95	92	45	2--3
	TCH-003	99.2	0.3				0.13	3.95	94	4	3--5
	TCH-35	99	0.25		0.02		0.2	3.9	90	45	3--5
Glaze Series	TCH-30	99.3	0.27		0.019		0.1	3.95	94	3~5	2--4
Reactive Series	TCH-5H	99.4	0.15		0.15		0.1	3.95	93	1
	TCH-6H	99.4	0.15		0.15		0.1	3.93	93	0.8
Low Soda Series	TCH-1	99.8	0.05		0.018		0.05	3.96	96	75	2--3
	TCH-2	99.7	0.15		0.018		0.1	3.96	95	80	2--3