Refractory Cement Fire Clay High Alumina Cement
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High Temperature Castable Refractory Cement
Product Description
Refractoriness of not less than 1580 °C cement. According to the composition of different can be divided into low calcium aluminate refractory cement, calcium aluminate cement, calcium aluminate cement and dolomite refractory cement. It can be used for various refractory cement cement refractory aggregate (such as corundum, Calcined Bauxite,etc.) made of refractory mortar or concrete, used in cement rotary kiln and other industrial furnace lining.
Specifications
Refractory cement lining baking, must pay attention to the following matters:
1) at room temperature 350 degrees, most likely caused by local spalling, special attention should be paid to slow baked. As in the 350 degree heat preservation is still a lot of steam coming out, still should slow heating rate.
2) in poor ventilation, water is not easy to discharge conditions, to extend the preservation time.
3) when using heavy oil for baking, to prevent oil spray on the lining surface, to prevent local burst.
4) when using firewood baked, direct contact with the flame is often caused by local heating too fast, should be protected.
5) on refractory cement pouring, at least by 3D after baking.
6) for refractory cement lining cooling slowly, avoid the forced ventilation.
Products Photos
Aluminate Cement | Type | CA50-G5 | CA50-G7 (725#) | CA50-G9 (925#) | CA50-F9 (SECAR51) | ||
Items | Unit | Standard | Results | Test data | |||
Blaine | cm2/g | GB8074-87 | 3000 Min | 3000 Min | 4000 Min | 4500 Min | |
Initial time | hour:minute | GB/T17671-1989 | 0:30 Min | 0:30 Min | 1:30 Min | 4:20 | |
Final time | 6:00 Max | 6:00 Max | 6:00 Max | 4:50 | |||
Flexural | 1 day | Mpa | GB/T17671-1999 | 5.5 Min | 7.0 Min | 9.0 Min | 11.5 |
Strengh | 3 days | 6.5 MIN | 8.0 Min | 10.0 Min | 12.3 | ||
Compressure | 1 day | 40 Min | 50 Min | 70 Min | 79.5 | ||
Strengh | 3 days | 50 Min | 60 Min | 80 Min | 85 | ||
Chemical Composition | SiO2 | % | GB/T205-2000 | 8.0 Max | 7.0 Max | 5.5 Max | 4.75 |
Al2O3 | 51.0 Min | 52.0 Min | 54.0 Min | 52.08 | |||
Fe2O3 | 2.5 Max | 2.5 Max | 2.0 Max | 1.82 | |||
CaO | 33.0 Min | 33.0 Min | 33.5 Min | 36.46 | |||
MgO | 1.0 Max | 1.0 Max | 1.0 Max | 1.22 | |||
TiO2 | 3.0 Max | 3.0 Max | 3.0 Max | 2.67 | |||
Note | PACKING | ||||||
25 KG X 40 BAGS ON A WOODEN PALLET WITH FILM AND P/W COVER Qoality of Goods confirms to China standard GB201-2000 | |||||||
- Q:Why do magnesium oxide refractory bricks can be made into refractories?
- Nature: It is loose white powder and tasteless. When exposed to the air, it is easy to absorb moisture and carbon dioxide. It is dissolved in acid and ammonium salt and insoluble in water and ethanol, with the melting point of 2800 and the boiling point of 3600. The magnesium oxide has high fire-resistance insulation properties, with high melting point . It can be said to be non-combustible materials.
- Q:What things and cement mixed can act as refractory?
- Cement building, portland cement, refractory grade, calcium aluminate. Cement acts as refractory need to use calcium aluminate cement.
- Q:How to divide fire resistant level of fire door?
- Fire resistant level of fire door【Class A fire door】. Class A fire door is also called complete fire door. It can meet the requirement of fireproof thermal insulation and refractory integrity at the same time in specified time. Fire resistant levels are 0.5h(Grade C), 1.0h(Grade B), 1.5h(Grade A) and 2.0h, 3.0h. 【Class B fire door】Class B fire door is also called part heat insulation fireproof door. Its requirement of fireproof and thermal insulation performance is 0.5h. Refractory integrity levels are 1.0h, 1.5h, 2.0h and 3.0h respectively. 【Class C fire door】Class C fire door is also called not thermal insulation fireproof door. Ther is no requirement of its fire resistance and thermal insulation. It only meets the requirement of refractory integrity in specified refractory time. The grading of refractory integrity is 1.0h, 1.5h, 2.0h and 3.0h respectively. There is the content of not thermal insulation fire door in British BS standard.
- Q:how to divided the external wall thermal insulation materials fire rating
- Level A: Incombustible building material: It is a kind of material that almost does not occur burning. Level B1: Nonflammable building material: Non-flame material has good flame resistance. It is difficult to fire under the condition of open fire in the air or high temperature, and it is not easy to quickly spread, and when the combustion?source is removed, the combustion will stop immediately. Level B2: Combustible?building?materials: Flame material has a good flame resistance. In case of fire in the air or at high temperature, it will immediately burst into flames, and easily lead to the spread of fire, such as wooden column, timber roof truss, timber beam and wooden stairs. Level B3: Combustible?building?materials: It has no any flame resisting effects, and is easy to burn, so the fire risk is high.
- Q:What material is used for making refractory stone bowl?
- Stone pot is carved from high-quality natural refractory stone with a professional way. It has attractive and diverse appearance, and it is hard, heat fast, not stick food. Now it is used in many hot pot restaurants.
- Q:Who knows which chrome refractories produced by the Henan refractory plant can be used for continuous casting?
- Field casting experiments are needed to verify,
- Q:who knows the technology of fireproofing material?
- 1, Foam insulation board,it's the foam insulation board material made by inorganic ceramic material through high temperature roasting, and is called for short as ceramic insulation plate. 2, composite cement foaming insulation board is made by cement,fly-ash,silica fume and other main materials and it's a kind of hole-closed?lightweight hydrophobic insulation board made by the technologies of foam,maintenance,cutting processing. 3, gypsum foam thermal insulation board is inorganic thermal insulation board that takes industrial by-product gypsum as the main raw material, modify the gypsum through physic modified principle, then foam, casting and cutting through chemical foam principle. 4, aerated concrete panel is made by lightweight material,silicious material, foaming?agent and other raw materials and it's a kind of lightweight concrete plate material made by the high pressure steam of manufacturing technique. 5, rock wool board is made by natural igneous rock and other main materials, and it's a kind of plate with thermosetting resin as binder made through melting in high temperature and centrifugation.
- Q:what's the varieties of thermal insulation material with A level fire?rating?
- the main A level fireproof material is rock wool now (note:it is rock wool not mineral wool). A1 level fireproofing, now the largest producer is Taishi rock wool Co., Ltd.; hope my answer can help you, thank you.
- Q:What refractories are used in various parts of the blast furnace.
- Blast furnace from top to bottom has the throat, hearth staves, waist, bosh, hearth and furnace bottom. the specific structure is as follows: The throat is the first to be affected by the impact and abrasion, generally use high-density alumina bricks. the upper and central portion of temperature furnace is only 400 ~ 800 ℃, the area with high alumina bricks and silicate bricks. The lower part of furnace is subject to erosion and dust erosion alkali metal vapor due to high temperatures, it is required in such case to use high quality clay brick,high alumina brick,carborundum brick,corundum brick that is slag resistance and alkali?resistance, temperature resustant and wearproof. Furnace bosh temperature reached 1400 ~ 1600 ℃, serverly eroded by slag,vapor, flush. so we use carborundum brick and reaction-bonded silicon?carbide?brick. Bosh temperature reaching1600 ~ 1650 ℃, using alumina brick, corundum brick or silicon carbide brick. the temperature of Hearth near the upper portion of the outlet zone at 1700 ~ 2000 ℃, use of silicate bricks and corundum castable graphite filler, silicon carbide bricks. In 1450 Silly twitch bottom temperature sealing die of hunger slander bet phoenix astringent preserved Grade ~ 1500 ℃, use of graphite bricks and microporous carbon bricks, now use more corundum brick, corundum mullite brick and synthetic mullite brick. x26lt;P class x3d "share-btn"x26gt;
- Q:what is best for making refractory insulation for Blast furnace, hot stove.
- high alumina insulating brick diatomite?brick
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Refractory Cement Fire Clay High Alumina Cement
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 0 m.t.
- Supply Capability:
- 60000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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