Amorphous Castable Refractory

Amorphous Castable Refractory

Castable refractories can be mixed with water, formed, and solidified like cement, but the process of drying the solid before full-temperature use is critical. When working with castable refractory, be mindful of the hazard of heating trapped water too rapidly and causing a steam explosion. If using a commercial mixture, follow the manufacturer’s directions closely. If using a DIY formula, use a gradual “bake out” process in which the cast material is brought up to final operating temperature very gradually, in a series of slow, prolonged stages, with full cooling phases in between.

Material

High alumina

Vltra-low cement high alumina

Type

AJ-1

AJ-2

CJ

CJ-1

Chemical composition (%)

Al2O3

55

60

70

75

SiO2

35

30

20

15

SiC

5

8

CaO

3.5

2.5

0.8

0.6

Cold crushing strength (MPa)

110℃×24h
After drying at

15

18

12

10

1250℃×3h
After firing at 

25

28

20

22

Cold bending strength (MPa)

110℃×24h
After drying at

6

8

4

5

1250℃×3h
After firing at 

10

10

10

12

Linear changing after burnt (%)

1250℃×3h
After firing at 

±1.6

±1.4

±1.2

±0.8

Bulk density (g/cm3)

1250℃×3h
After firing at 

2.25

2.3

2.85

2.9

Amount for construction (kg/m3)

2400

2450

3000

3100

Additional water (%)

8—9

7.5—8.5

5—7

4.5—6.5

Method of construction
Method of bonded

Jolt moulding 
Water

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 .
 


Taurus Refractory ramming mass Factory mainly engaged in professional manufacturer of development, production and sales of the refractory mixture such as melting copper, aluminum and zinc furnace lining. And supply castable refractory for copper smelting, ramming mass for molten copper,fire clay,refractory mortar, refractory cement ,refractory mixture, refractory concrete and silica sand for copper smelting.
Website: http://www.jnrefractory.com  
Contact: Mr. Niu
Tel: +86-371-64372566
Fax: +86-371-64372588
Mobile Phone: +86-15137151612
Email: info@jnrefractory.com
          gyjinniu@163.com

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