Industrial Raw Materials - Calcined Alumina, White Fused Alumina, Brown Fused Alumina and White Tabular Alumina Exporter & Wholesaler

Calcined Alumina

We offer a wide range of Calcined alumina and Reactive alumina which are key ingredients for castables as well as special alumina refractories. These aluminas have usage in special ceramics as well.

Calcined Alumina for Refractories and Ceramic

Alpha Alumina and Alumina Micropowders

Elements	Index	B2L-06DCT-3000SG			B2M-12DCTC40			B2M-4DCT800SG
		Typical	Min	Max	Typical	Min	Max	Typical	Min	Max
AL203	%	99.53	99	99.6	99.46	99	99.7	99.47	99	99.65
SiO2	%	0.01		0.15	0.06		0.15	0.04		0.15
Na2O	%	0.05		0.1	0.16		0.15	0.04		0.15
Fe2O3	%	0.04		0.1	0.04		0.1	0.04		0.1
True density		3.94	3.93		3.94		3.93	3.96	3.95
Specific surface area	M2g	1.3	1	1.5	1.15	0.9	1.5	0.56	0.5	0.8
D50 laser		1.05	0.88	1.2	1.26	1	1.6	3.5	3	5
D50sedimentiaion		0.75	0.6	0.9

Elements	Index	B2M-20D CTC-20			SB6CL370C
		Typical	Min	Max	Typical	Min	Max
AL2O3	%	99.3	99	99.6	99.4	99	99.6
SiO2	%	0.08	0.05	0.2	0.07	0.06	0.2
Na2O	%	0.12	0.1	0.15	0.25	0.2	0.1
Fe2O3	%	0.04	0.02	0.1	0.04	0.02	0.1
True density		3.95	3.93	3.96	3.94	3.93	3.96
Specific surface area	M2g	0.8	0.7	1.2	0.6	0.5	1
D50 laser		1.9	1.5	2.5	2.04	1.8	2.5
D50sedimentaion

White Fused Alumina

The white fused alumina are in high demand in the global market. White fused alumina are composed from quality chemical by reputed manufacturers and are stringently tested at our end through sieve analysis and other tests assuring that chemicals are of accurate composition, pure and formulated correctly.

Specifications:

Grain size	Best Coarse	Coarse		Normal part		Mixed part	Fine part
Grain size	100%pass these mesh NO.	Not pass mesh NO	Weight%short	Not pass	Weight%More than	Not pass mesh NO	Weight%More than	More than 3% pass these mash NO.
F4	5/16	31/2	20	4	40	4 5	70	6
F5	0.265	4	20	5	40	5 6	70	7
F6	31/2	5	20	6	40	6 7	70	8
F7	4	6	20	7	40	7 8	70	10
F8	5	7	20	8	45	8 10	70	12
F10	6	8	20	10	45	10 12	70	14

Brown Fused Alumina

Brown Fused Alumina is produced by fusing Calcined Bauxite in a reducing atmosphere. Brown fused alumina is widely used in high Alumina Bricks, Castables and other refractory shapes.

Physical Chemical Performance Index:

		Brown Fused Alumina (Refractory Grade)
Index Properties		Unit	Index
Chemical Composition	Al2O3	%	>95
	SiO2	%	<1.5
	Fe2O3	%	<0.3
	Ti2O	%	<3.0
	CaO	%	1
Melting Point			2050
Refractoriness			1980
True Density		g/cm3	>3.9
Mohs hardness		------	>9.0
Grain Size		Mm	0-1, 1-3, 3-5, 5-8
Fine Powder		Mesh	-80,100, 180, 200, 325F
Packing		25 Kg/bag 1.000kg/or according with customers' requirement

White Tabular Alumina

White Tabular Alumina is produced by sintering high purity calcined alumina in a special kiln, Due to its superior physical and thermal properties, WTA is a ket ingredient in all alumina based Refractory Bricks and castables.

Tabular Alumina
Physical Chemical Performance Index:
Properties index		Tabular Alumina
Properties index		Unit	Index
Chemical Composition	Al2O3	%	>99
	SiO2	%	<0.25
	Fe2O3	%	<0.10
	Na2O	%	<0.40
Bluk Density		G/cm2	>3.50
Absorbing Water Rate		%	<1.5
Porosity Rate		%	<5.0
Grain Size		mm	0-1, 1-3, 3-5
Fine Powder		mesh	-80, 120, 180, 220, 325F

Fused Alumina Zirconia Silica

Fused Alumina Zirconia Silica is produced by cleaning and crushing fused electocast blocks. This material has nil porosity, high density and good refractoriness. It is a cost effective raw material for use in Castables and Zirconia based Refractory products.

Specifications:

Bulk Density: 1.80 Gm/CC Min
Specific Gravity <>50 Kg HDPE Bag
Porosity : Nil
Sizes: 0-1,1-3,3-5mm
Packing: 50 Kg HDPE Bags

Chemical Specifications:

Elements	Composition
Zirconia	33-36%
Alumina	50% Min
SiO2	12-16%