Material Castable/Refractory Castable

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Specifications

1.Material Castable
2.AL2O3 90 Fe2O3 max 0.8 CaO 6.50,SiO2 2.70
3.Temperature min1650
4.Grain size 0-6mm

1.Industrial Refractory Concrete

2.Material:Castable
3.AL2O3:90%,Fe2O3: max 0.8%,CaO: 6.50%,SiO2:2.70%
4.Temperature : min1650°C

5.Grain size: 0-6mm


Al2O3     %≥40≥36≥55≥65≥50≥57

Fe2O3     %

≤2.0

Refractoriness °C

≥1720

≥1700

≥1770

≥1790

≥1770

≥1790

Permanent linear change

1350°C*2h0.1-0.3

1350°C*2h0.1-0.3

1450°C*2h±0.3

1500°C*2h±0.3

Apparent porosity %

17-15

17-25

≤24

≤24

≤26

≤26

Bulk density g/cm3

≥2.20

≥2.30

≥2.10

≥2.30



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Q:It the Special Fire-Proof Material belonged to ceramics? Is there a national standard of the Special Fire-Proof Material?
The fiber and reinforcing material of the metal ceramic is also belonged to the Special Fire-Proof Material. ~~~~GB is too much trouble, GB online should ~~~ Lei Bao Refractories for you. The high temperature inorganic coating. 5. The refractory compound. 3. The high melting point oxide. You can search it on the internet according to the classification~~~~ The special refractories can be divided into five categories: 1. metal ceramic
Q:Who knows about the fire endurance of grade C fire doors?
The fire endurance of grade C fire doors is no less than 0.5 hours. As the key role of family fireproofing, fire doors is particularly important. It can be classified according to the fire endurance and thermal insulation performance: The fire endurance of grade A fire doors is not less than 1.5 hours; that of grade B fire doors is not less than 1.0 hours; and that of grade C fire doors is not less than 0.5 hours. We can choose in accordance with different needs, but commonly used fire doors are grade A and B fire doors now.
Q:Where is refractory used? Thank you!
Currently, refractory is widely used as inorganic nonmetallic material of production equipment lining in metallurgy, ceramics and other industries. The current definition of refractory does not only depend on whether the refractoriness is above 1,580℃.
Q:Preparation of refractory clay
Is it to make refractories? Add some andalusite to the refractory mortar will improve the effect.
Q:Could you tell me the fire-resisting time of class B fire proof door?
Could you tell me the fire-resisting time of class B fire proof door?
Q:How is the performance of refractory materials?
It is a little difficult to answer. There are some requirement for refractory materials, such as fire resistance, softness, creep, thermal shock, abrasive resistance. Besides, requirements for construction performance include: Liquidity, plasticity and other linear change rate, volume density, strength (including high temperature) and all other important indicators must be tested the same conditions with the use of test conditions and test items like body density, strength, line changes in the basic project
Q:Why does refractory need to add coarse firstly and then add fine aggregate?
Binding agent can wrap particles and improve binding effect.
Q:What are the types of advanced refractory?
According to the chemical composition of minerals,refractory can be divided into eight categories: 1, siliceous material. 2, aluminosilicate materials. 3, magnesia materials. 4, dolomite materials. 5, chromium materials. 6, the carbonaceous material. 7, zirconium materials. 8, special refractories. 1. refractories according to chemical properties can be divided into three categories: 1, acidic refractory materials. 2, neutral refractories. 3, basic refractories. 1. refractories according to chemical properties can be divided into three categories: 1, ordinary refractories, refractoriness is 1580-1770 degrees. 2, advanced refractories refractoriness is 1770-2000 degrees. 3, super refractories refractoriness higher than 2000 degrees. 3. refractory according to the forming process can be classified into seven categories: 1, natural rock molding process. 2, compression moulding refractories. 3, moulding refractories by casting. 4, plastic molding refractories. 5, ramming molding refractories. 6, injection molding refractories. 7, extrusion molding refractories.
Q:What are the advantages of refractory material?
Jingute WHL type, GDS type
Q:What is required to do refractory material?
But we can’t exclude that some products may contain a certain amount of metal materials: refractory material is non metallic materials whose physical and chemical properties make it suitable to be used under high temperature. Technically, it needs high purity raw material,high pressure molding, high temperature sintering to make refractory material. Refractory materials have two properties: first, the strong thermal shock resistance, second is slag resistance, the key is to look at what parts does it apply.

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