High Quality Refractory Castable For Cement(Low Iron)

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Specifications

refractory castable for cement
1) High quality with lowest price
2) Good density, high strength
3) Low cement

Product Description

high quality refractory castable for cement(low iron)

1. Propertities

1) High refractoriness

2) Good density and high strength

3) Low cement with competitive price

4) Good mechanicial performance

5) High quality

2. Application

1) Refractoriness material castable

3. The physical properties

Type

Program  

Index

BM-LN

BM-AHS

BM-AH10

BM-AH15

BM-AH18

BM-SP4

Chemical composition%

Al2O3

>40

>50

>60

>65

>68

-

Al2O3+MgO

-

-

-

-

-

70-80

Bulk density

(g/cm3)

110°C×16h

>2.25

>2.40

>2.55

>2.60

>2.65

2.8-3.0

1350°C×3h

>2.20

>2.35

>2.50

>2.55

>2.60

2.8-3.0

Compressive strength

(M pa)

110°C×16h

>35

>60

>60

>65

>65

>50

1350°C×3h

>50

>80

>80

>88

>90

>50

Modulus of rupture

(M pa)

110°C×16h

>5

>10

>10

>12

>12

>10

1350°C×3h

<8

<12

<12

<12

<12

<12

Permanent linear

changing rate

(%)

110°C×16h

<0.2

<0.1

<0.1

<0.1

<0.1

<0.1

1350°C×3h

<0.5

<0.5

<0.5

<0.5

<0.5

<0.5

Water demand

(%)

6.5±0.5

6.0±0.5

5.5±0.5

5.0±0.5

5.0±0.5

4.0±0.5

Long-term service

temperature(°C)

1350

1350

1350

1350

1350

1350

Maximum service

temperature(°C)

1600

1600

1600

1600

1600

1600

Application

Low-temperature

furnace roof,

walls

All parts

All parts

All parts

All parts

Furnace walls,

partsof slag  

resistance


Packaging & Shipping

25kg bag or ton bag or as your requirement

Our Services

Delivery fast and accurate, high quality, fast reply and good after-service.



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Q:who knows the uses of refratories?
Of course, the role of the refractory material is fireproof, generally used in large buildings. It can reduce casualties and economic losses caused by the fire. it also can be used on the chemical instruments. ! !
Q:How to divide fire rating of decorating materials ?
The combustion performance of building materials is divided into the following grades by the national standard GB8624-97: level A: incombustible building materials, almost no burning material. Level B1: Flame retardant building materials, such kind of materials are effective in flame retardance. It is difficult to fire in the air in the case of open flame or under high temperature, it is not easy to spread quickly, and when the fire source is removed , the fire stopped immediately. Level B2: combustible building materials. Combustible building materials are effective in flame retardance. It will immediately burst into flames in the air in case of fire or under high temperature, and it is inclined to lead to the spread of fire, such as wooden, wooden frame, beams, wood stairs,etc. Level B3: Flammable building materials: they have no effect in flame retardance, easy to burn, fire risk is very huge.
Q:I wanna ask what are the acidic refractories?
(1) silica brick with stronge acidity, unshaped silicious refractory, quartz glass and fused silica combined products; (2) semi-silica refractory with moderate acidity and pyrophyllite refractory; (3) clay-based refractory with weak acidity.
Q:The principle of choosing fire-resistant material in Thermal Energy and Power Engineering equipment.
What thermal equipment? The most simple principle is durable, low cost and with no environmental pollution.
Q:I wanna ask about the thermal insulation material fire resistant level?
1. The thermal insulation material of level A combustion performance: Rock wool, glass wool, foam glass, foamed ceramics, foam cement, hole-closed perlite, etc. 2. combustion performance is level B1 insulation materials: Extruded polystyrene board (XPS) after special treatment / Special treatment of polyurethane (PU), phenolic aldehyde and gelatine powder polyphenyl granule 3, combustion performance is level B2 insulation material: Molding polystyrene board (EPS), extruded polystyrene board (XPS), polyurethane (PU), polyethylene (PE), etc. See the 2009 edition construction technical measures 4.3.6 Level A insulation material is only for fireproofing, but its thermal insulation performance is not better than organic XPS \\ EPS and other materials. Thanks
Q:What are the characteristics of the carbon composite refractories?
The features of carbon composite refractories: 1. It is with an aggressive high thermal shock resistance 2. Good resistance to molten steel and slag
Q:Who knows about the fire endurance of sintered shaly hollow bricks?
Sintered shaly hollow bricks of Chu area have high intensity. The average compressive strength of them is up to 15.8, which matches with M7.5 cement mortar that has advantages of low water absorption, and good anti efflorescence performance. The fire endurance of sintered shaly hollow bricks should not exceed1050 degrees otherwise they will burn excessively. I, actually, think that the temperature should be controlled within 980 degrees. I hope my answer may help you.
Q:What are the qualifications of refractory industry?
Special qualification issued by Fire department
Q:what is the original materials of fireproof coating?
Fire retardant coating is composed of the base materials (that is film forming substance), pigments, ordinary coating additives, fire retardant agent and dispersion medium. In addition to fire retardant agent, other components functions the same as in ordinary coating, but its performance and thickness are specifically required. Some solvent-based fire retardant coating can burn upon encountering fire before construction.In fact,It is the flammable solvent contained in the coating that is burning while substances such as the base materials and fire retardant agent does not burn. Because solvent-based fireproof coating contains organic solvent and these fire-resistant coating, once leaked from the bucket, are likely to cause a fire. Fireproof coating on the substrate can insulate heat only after the solvent contained evaporates compeletly.
Q:What kind of refractory materials should be used for the intermediate frequency furnace to smelt manganese?
I am not quite clear. But you should take two aspects into consideration, namely, no pollution and strong durability.

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