Home » Products » Refractory Raw Materials

Refractory Raw Materials

The Products offered for the manufacturer of refractories includes White fused Alumina, Brown fused Alumina, Slicon Carbide, Fused Spinel Fused Mullite, Fused Zirconia Mullite, Fused Alumina Bubble, Calcined Bauxite Fused silica, Boron Carbide, Fused Zirconia, Zircon Sand and Flour, Fused Alumina Zirconia Silica, Silicon Metal, Calcined Alumina, Fused and Dead Burnt Megnesite, White Tabular Alumina, Sintered Mullite and Spinel and Calcium Aluminate Cement.

Silicon Carbide

Black Silicon Carbide

Black silicon carbide is produced in an electric resistance furnace by adding Quartz and raw petroleum coke. SiC is exptensively used in producing Refractory Tiles and bricks, castables as well as trough and tap hole mass.

Silicon Carbide 97 % Min ( For Refractory bricks, shapes and castables)

Product	Specifications
Elements	Spec
Sic	97% Min
Free Carbon	0.5 % Max
Fe2O3	1.0 % Max
SiO2	1.5% Max

Silicon Carbide 85 % Min ( For tap hole clay and trough mass)

Product	Specifications
Elements	Spec
Sic	85% Min
Free Carbon	4.5 % Max
Fe2O3	4.5 % Max
SiO2	5.0% Max

Size : Lumps 0-20mm or 0-1,1-3,3-5mm

Request a Quote

Fused Spinel

Fused spinel produced by Fusing calcined Alumina and Caustic calcined Magnesite in controlled proportions. Fused spinels are used to produce Bricks and Castacles in areas where slad resistance is key.

Items		Unit	BRANDS
			AM-70	AM-65	AM-85	AM90
Chemical Composition	Al₂O₃	%	71-76	63-68	82-87	88-92
	MgO	%	22-27	31-35	12-17	8-12
	CaO₂	%	0.65max	0.80max	0.50max	0.40max
	Fe₂O₃	%	0.40max	0.40max	0.40max	0.40max
	SiO₂	%	0.40max	0.50max	0.40max	0.25max
	NaO₂	%	0.40max	0.50max	0.50max	0.50max

Request a Quote

Fused Mullite

Fused Mullite is produced by fusing Calcined Alumina and Silica sand in controlled proportions to form the Mullite phase. Fused mullite bricks and shapes are extensively used in Glass making and ceramic kiln manufacturing.

tems		Unit	Index
Chemical Composition	Al₂O₃	%	70.00-77.00
	SiO₂	%	22.00-29.00
	Fe₂O₃	%	0.1max
	Na₂O	%	0.40max

Refractoriness		1850
Bulk density	g/cm³	3.00min
Glass Phase content	%	5-6
3AI₂AI₃2SiO₂Phase	%	95min

Request a Quote

Fused Zirconia Mullite

Fused Zirconia Mullite is produced by fusing Zircon sand and Calcined Alumina in an arc furnace. Fused Zirconia Mullite are used for producing Zirmull bricks and shapes which are used in the Glass Industry as well as an additive in Continuous casting refractories.

Items		Unit	Index
Chemical Composition	Al₂O₃	%	41.00-46.00
	ZrO₃	%	35.00-39.00
	SiO₂	%	16.50-20.0
	Fe₂O₃	%	0.2max

Bulk Density		g/cm³	3.6min
Apparent porosity		%	3.00max
Phase	3AI2O3.2SiO2	%	50-55
	Indined ZrSiO4	%	30-33
	Corundum	%	5.00max
	Glass	%	5.00max

Request a Quote

Fused Alumina Bubble

Fused Alumina Bubble is produced by blowing the melt of Calcined Alumna in a controlled atmosphere to produce hollow spheres. Due to its low density, fused alumina bubble is ideal for high alumina based Insulating Bricks and castables.

Index Properties		Guarantee value	Typical value
Chemical Composition(%)	Al₂O₃	99min	99.51
	SiO₂	0.2max	0.14
	Fe₂O₃	0.1max	0.05
	Na₂O	0.4max	0.25
Packing density(g/cm³)		0.5-1.0	0.74
Damaged rate(%)		<15	12
Refractoriness(⁰C)		1800
Particle Size		5-0.2mm, 0.2-1mm,1-3mm,3-5mm
Test standard		GB/T3044-89
Packing		20kg/plastic bag(Dampproof)
Usage		Refractories

Request a Quote

Calcined Bauxite

Calcined Bauxite is produced by calcining raw bauxite in a rotary, shaft or round Kiln. Calcined Bauxite is a major ingredient in making various types of Alumina Bricks and castables.

RKB 85: AI203:85%(min)

Fe203:2%(max)
TiO2:0.4%(max)
CaO:0.4%(max)
MgO:0.3%(max)
B.D.(g/cm3):3.0(min)

RKB 86: AI2O3:86%(min)

Fe2O3:1.8(max)
TiO2:0.4%(max)
CaO:0.4%(max)
MgO:0.3%(max)
B.D.(g/cm3)3.1(min)

RKB 88: AI2O3:88%(min)

Fe2O3:1.6%(max)
TiO2:0.4%(max)
CaO:0.4%(max)
MgO:0.3%(max)
B.D.(g/cm3):3.2(min)

RKB 90: AI2O3:90%(min)

Fe2O3:1.6%(max)
TiO2:0.4%(max)
CaO:0.4%(max)
MgO:0.3%(max)
B.D.(g/cm3):3.3(min)

Request a Quote

Fused Silica

Fused Silica is produced by fusing high purity silica in a special furnace. Fused Silica is used in refractories as an additive for continuous casting refractories.

Item	Fused Silica
Item	Fused Silica Block	Fused Silica Sand	Fused Silica Powder	Crystal Silica	Cristobalite Silica Powder
SiO2	99.90%	99.90%	99.80%	99.60%	99.5%min
AI2O3	30ppm	30ppm	0.20%	0.30%	0.25%max
Fe2O3	20ppm	30ppm	0.01%	0.03%	0.035%max
	Na 11ppm	Na 11ppm	Ti2O 0.001%	Ti2O 0.01%	Ti2O 0.01%max
					K2O 0.06%max
					CaO 0.001%max
L.O.I.	0.15%0.15%	0.15%	0.15%	0.15%	0.15%max
Density	2	2	2	2.65	2.25-2.45
Mohs Hardness	7	7	6	7	6.5-7.5
Size	1-100mm	0.1-15mm	200-2000meshs	200-2000meshs	FG-300,600,900

Request a Quote

Boron Carbide

Boron carbide is a key ingredient for producing con cast refractories. It is a multipurpose abrasive and lapping agent with chemical resistance and hardness similar to diamond. These are offered by us in different grain sizes and purities to suit the diverse requirements of clients.

Brands	B(%)	C(%)	Fe2O3(%)	Si(%)	B4C
F-12---F150	77-80	17-19	0.25-0.45	0.2-0.4	96-98
F180F240	76-79	17-19	0.25-0.45	0.2-0.4	95-97
F280F400	75-79	17-20	0.3-0.6	0.3-0.8	93-97
F500F800	74-78	17-20	0.4-0.8	0.4-1.0	90-94
F1000-F1200	73-77	17-20	0.5-1.0	0.4-1.0	89-92
60 150 mesh	76-80	18-21	0.3max	0.5max	95-98
-100mesh	75-79	17-22	0.3max	0.5max	94-97
-200mesh	74-79	17-22	0.3max	0.5max	94-97
-325mesh	73-78	19-22	0.5max	0.5max	93-97
-25micron	73-78	19-22	0.5max	0.5max	91-95
10micron	72-76	18-21	0.5max	0.5max	90-92

Request a Quote

Sintered Mullite And Spinel

Sintered Mullite And Spinel are produced by sintering calcined alumina and silica and magnesia in a special kiln, Both these Sintered Mullite And Spinel are used to manufacture special refractory shapes.

Chemistry Component	Physics Chemistry
AL2O3	60-62
SiO2	36-38
Fe2O3	<0.8
K2O	<0.3
Volume density	>2.65
Chemistry component	Physics chemistry
AL203	70-72
SiO2	26-28
Fe2O3	<1
K2O	<0.2
Na2O	<0.06
Volume density	>2.83

Request a Quote

Calcium Aluminate Cement

Calcium aluminate cement is a key ingredient used in the manufacturing of refractory castables. Sourced from well known vendors of the market, this cement also find application in industrial flooring products, chemical resistant mortars & concretes, sewer applications, floor screeds, tile adhesives and various others.

Reactive Alumina and Alumina Micropowders

Elements	Index	B2L-06DCT-3000SG			B2M-12DCTC40			B2M-4DCT800SG
		Typical	Min	Max	Typical	Min	Max	Typical	Min	Max
AL2O3	%	99.53	99.0	99.60	99.46	99	99.7	99.47	99	99.65
SiO2	%	0.06		0.15	0.06		0.15	0.04		0.15
Na2O	%	0.05		0.10	0.16		0.30	0.25		0.25
Fe2O3	%	0.04		0.10	0.04		0.10	0.04		0.10
True density		3.94	3.93		3.94		3.93	3.96	3.95
Specific surface area	M²g	1.3	1.0	1.5	1.15	0.9	1.5	0.56	0.50	0.8
D50 laser		1.05	0.88	1.20	1.26	1.0	1.60	3.5	3.0	5.0

Request a Quote