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:What are the requirements on fire resistance period of C-level fireproof glass?
It can be classified into three types in terms of fire resistance, Class A: The fireproof glass which meets demands of fire integrity and fire insulation at the same time. This glass has advantages of excellent transmittance, fire-proofing(smoke resistance, fire insulation, and blocking heat radiation), sound insulation and impact resistance. It can be applied to architectural ornaments, fire resistant timber doorsets with steel structure, windows, upper beam, partition walls, daylighting roofs, ceiling screens, perspective floor and other building components which need transparency and fireproofing. Class B: The fireproof glass which meets demands of fire integrity and thermal radiation intensity at the same time. This glass is mostly composite fireproof glass which has advantages of transmittance, fireproofing, and smoke resistance. Class C: The fireproof glass which only meets demand of fire integrity. This glass has advantages of transmittance, fireproofing, smoke resistance and high intensity. It can be applied to fireproof glass partition walls, fire windows and with no requirements on outdoor curtain walls, etc. The fireproof glass can be classified as composite fireproof glass and single chip fire-proof glass in terms of structure.
Q:Who knows which chrome refractories produced by the Henan refractory plant can be used for continuous casting?
The sand is used as the filling material for the bottom of the ladle. Zhengzhou real iron refractory Co., Ltd. is specialized in the production of non-ferrous industries. All kinds of refractory materials used in glass kilns and cement kilns are sold directly by manufacturers. The prices are reasonable.
Q:What materials is silicious thermal insulation board made of?
Siliceous insulating panels use quartz sand as the main material and are composited with fiber. Of course the amount of insulation board materials used by different companies is different. In terms of Hua Heng, siliceous insulating boards can be divided into insulating panels for casting slabs and insulation board for intermediate tank according to the usage. The latter one can be divided into liner plate (wallboard, side panels, baseboard) and impingement plate based on parts it is used on. Siliceous insulating panels use quartz sand as the main material and are composited with fiber. Method for manufacturing a silicon insulating panel is divided into semi-dry method and wet method. It is used for casting ingot insulation cap of the killed steel and continuous casting tundish.
Q:How to use fire-resistant soil?
It can live with water, not too sticky. Don't be too thin. It's best to put the stove in the inner wall.
Q:How to choose thermal insulation materials for flood heating?
By controlling the foaming ratio, nucleating agent size, moudle pressure, temperature of screw, vacuum foaming technology, extruded sheet of different density can be made. The density of commonly used plastic extruded board is 25-50 kg per cubic meter. Plate density is the main factor affecting the cost of the extruded plate. The higher the plate density, the higher the cost price. Plate density is the main factor affecting the cost of the extruded plate. The lower the density of extruded board, the worse quality performance. Plate density of common plastic extruded is between 30 to 38 kilograms per cubic meter. The density of plastic extruded plate of exterior wall is between 30-35, if the density is too low, then the plate will not be strong enough, if high, flexibility of plastic extruded board will be inadequent, unable to bear the stress brought by housing settlement deformation, resulting in cracks in the wall. With the extrusion plate for floor heating should be in 36 kilograms per cubic meter. If it is too low, ground subsidence will occur due to the low strength, resulting in the ground crack. If density is too high, the thermal conductivity coefficient will increases, impacting energy saving. High density extruded plate is generally used for occasions having special requirements for compressive. Parking lot roof should use extruded plate above X350, whose density is 40 kg per cubic meter. The aircraft need to use the Ping extruded board above X500, density in 45 kilograms per cubic meters. High speed railway subgrade need to use extruded plastic board above 700KPA,
Q:can slag tailings be used to be the base materials of refractory materials ?
perhaps not, because it has many pores.
Q:Fire resistance and evaluation of refractory for casting
The refractory degree of refractory material at high temperature is called refractoriness. Refractory products all contain substances from fusible sintering action, the melt crystal as unlike at a fixed temperature, but the temperature in a wide range. At a lower temperature, a small amount of melt is formed, and as the temperature increases, the amount of the melt increases, and the product gradually softens. Refractoriness and melting point (crystal) are different concepts.
Q:Development trend of refractories
Mullite Matrix clinker. There are higher requirements of kaolin and refractory annded life, it should be able to grind medical industrial raw materials alumina, vacuum extrusion molding, high temperature roasting and smelting from unshaped refractory material a good thermal mechanical properties in the kiln and has good application prospect; 2, Dong Qingshi clinker. With kaolin and magnesia as raw materials, wet grinding, vacuum extrusion, and then high temperature calcination, furniture has a very good prospect; 3, magnesium calcium sand. Because of the development of clean steel, low carbon steel, high oxygen steel and stainless steel, the basic importance of free calcium oxide refractories is supported; 4, fused eutectic composite. Bauxite based fused corundum, bauxite based fused mullite, bauxite based fused mullite zirconia, fused corundum zirconia fused zirconia, Magnesium Oxide and other materials have been developing rapidly; 5, high density spherical hollow mullite aggregate. The wall thickness of the shell of the 0.2 - 1.5 - 5 mm, diameter 40 mm, smooth surface, can not be uniform, spherical shell, this may be a double, a prominent part of the surface can be dense, can also be used for hollow casting material, not only can improve the insulation performance of the material, in order to reduce the volume density. Instead of destroying its strength.
Q:What is required to do refractory material?
What kind of refractory material? It’s too extensive.
Q:What a blast furnace refractories generally?
Usually metal anchorage plus wear-resistant refractory spray paint. at the middle part we use high alumina bricks, corundum bricks. high duty refractory is important in improving bosh furnace lining.

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