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High Aluminum Refractory Castable
High Aluminum Refractory Castable Introduction
High-alumina refractory castable is high-alumina raw materials for the aggregate and powder, adding the binder made of refractory castable. With high mechanical strength and good thermal shock resistance, abrasion resistance and other properties, mainly used for boilers, blast furnace hot stove, heating furnace, ceramic kiln and other furnace lining.
High Aluminum Refractory Castable Parameter
| Kind | High alumina | Vltra-low cement high alumina |
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| Brand | AJ-1 | AJ-1A | AJ-2 | AJ-3 | CJ | CJ-2 | |
| Chemical Composition （%） |
Al2O3 | 55 | 60 | 65 | 70 | 70 | 75 |
| SiO2 | 35 | 30 | 25 | 20 | 20 | 15 | |
| SiC | － | － | 3 | 5 | 5 | 8 | |
| CaO | 3.5 | 2.5 | 1.2 | 1.0 | 0.8 | 0.6 | |
| Cold crushing Strength （MPa） |
110℃×24h After drying at |
15 | 18 | 20 | 22 | 12 | 10 |
| 1250℃×3h After firing at |
25 | 28 | 30 | 30 | 20 | 22 | |
| Cold bending strength （MPa） |
110℃×24h After drying at |
6 | 8 | 5 | 5 | 4 | 5 |
| 1250℃×3h After firing at |
10 | 10 | 12 | 13 | 10 | 12 | |
| Linear changing after burnt （%） |
1250℃×3h After firing at |
±1.6 | ±1.4 | ±1.3 | ±1.2 | ±1.0 | ±0.8 |
| Bulk density （g/cm3） |
1250℃×3h After firing at |
2.25 | 2.3 | 2.4 | 2.45 | 2.8 | 2.9 |
| Amount for construction （kg/cm3） | 2400 | 2450 | 2500 | 2550 | 3000 | 3100 | |
| Additional water （%） | 8—9 | 7.5—8.5 | 7—8 | 6.5—7.5 | 5—7 | 4.5—6.5 | |
| Method of construction Method of bonded |
Jolt moulding (Water) |
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| Characteristic | High strength Corrosion resistance Water set Volume stability Thermal shock resistance Flame blowing resistance Spalling resistance Fiberfrax added May be used easily by casting method with low consumption perton of pigiron Complex and narrow kiln′s body and components with dense anchor firm wares |
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Introduction of our company
Gongyi Taurus Refractory Material Factory is the production of steel, iron, aluminum, copper, zinc, horizontal continuous casting, semi-continuous casting, cited on the induction furnace full set of refractories. Products are: silica ramming mass, high-grade composite silica ramming mass, high-alumina composite ramming mass, special materials ramming mass, aluminum and magnesium ramming mass, corundum plastic, mullite castable, low cement castable , Light castable, auxiliary refractory materials, high-strength refractory mud, coil clay, repair materials, supporting a variety of refractory bricks, electric furnace used by the auxiliary materials,for the user to obtain considerable economic benefits.
Contact information
Website:
Contact: Mr. Niu
Tel: +86-371-64372566
Fax: +86-371-64372588
Whatsapp: +86-15137151612
Mobile Phone: +86-15137151612
Email: info@jnrefractory.com
gyjinniu@163.com
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