high temperature calcium aluminate high alumina cement

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China main port
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25 m.t.
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2000 m.t./month

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Product Description

 

Description of calcium aluminate high alumina cement

 The calcium aluminate high alumina cement is made by bauxite and lime as raw material,calcined and grinded after compounding with certain rate.

 

Advantages of calcium aluminate high alumina cement

 The calcium aluminate high alumina cement has high strength and easy to construct.

Applications of calcium aluminate high alumina cement

The calcium aluminate high alumina cement can be used to compound the unshaped refractory and for some rush-to-build constructions.

Physical and Chemical Indexes

 

CharacteristicItemUnitcalcium aluminate high alumina cement
A600A900CA-70CA-80
Superficial area/m²/kg354.8425.2612608
Chemical contentsSiO2%7.815.860.320.28
Al2O3%51.2654.1273.6878.86
Fe2O3%1.781.720.320.15
R2O%0.260.230.20.21
Setting timeInitial setting timeminute12820510968
Final setting timeminute159287172121
Rupture strength1 dayMpa6.19.28.25.7
3 daysMpa7.111.110.27.7
110℃Mpa//128.9
Compressive strength1 dayMpa52.472.555.843.2
3 daysMpa56.881.970.655.4
110℃Mpa//89.880.8
high temperature calcium aluminate high alumina cement


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Q:What's the classification of flameproof glass, the refractory time of fireproofing glass.
Fireproofing glass partition has the advantages of thermal insulation,resistance slow fire spreading and smoke insulation. when the fire broke out, it can creat favorable conditions for the rescuing of personnel, property and buildings, reduce the loss to mininum level, it has gained people's favor and has huge market potential. it's widely used in computer rooms, and high precision laboratory, school,core parts of party and government organs. In the past two years, there are several major fire accidents happened in domestic, such as Shanghai jing 'an district high-rise residential, CCTV new address Beipei building, which have caused serious loss and damage. Fireproofing glass naturally become the focus, China has carried out a wide range of fire control safety inspection work, the fireproofing consciousness of people has been gradually improved. Fireproofing glass, fire-resistant glass partition, firewall, fire doors, and other products are highly emphasized. Industry analyst of Beijing Lisiduoge partition materials believes that fireproofing glass partition is a new kind of construction fire-proof material, and is mainly used for making firewall, fire doors, fire partition,etc. Europe divide fireproofing glass into composite thermal insulation type and one-side complete fireproof glass. Divided from fire resistance levels, fireproofing glass can be divided into 30 minutes, 45 minutes, 60 minutes and 90 minutes four levels. Domestic fire partition indicators in line with international standards has fully embodied the countrymen have paid more and more attention on fireproofing safety.
Q:What requirements should refractory materials meet?
The operating temperature of forging furnace is above 1000, which can ensure the normal operation of the furnace, prolong the life of the furnace and save energy. General requirements for refractories are as follows. 1 They should deform at a sufficient temperature without melting. 2, They should have necessary structural strength without softening and deforming. The volume should be stable at high temperature without expansion, contraction or cracking. 4, They can resist erosion of molten metal, slag, gas and other chemicals.
Q:What kind of material is good for cabinet fireproof board
What kind of material is good for cabinet fireproof board What are the advantages and disadvantages of using it? How much is the price? A about how much does one piece cost?
Q:What are the types of steel refractory materials
Large steel ladle usually made with magnesia carbon brick, of course, it contains a intermediate layer (such as good a little high alumina castable), heat insulation layer and heat preservative materials Alumina-magnesia castable is OK for small steel ladle
Q:What is refractory aggregate?
Refractory aggregate is fire-resistant product improved with low temperature binder, chemical compound and normal temperature strength.
Q:Who knows the model of fireproofing materials?
Inorganic binder: it mainly includes sodium silicate, gypsum, phosphate, cement,etc; refractory mineral filler: aluminium oxide, asbestos powder, calcium carbonate, perlite, cornstarch,etc; nonflammable organic resin: it mainly includes polyvinyl chloride, perchloro-ethylene, chlorinated rubber, neoprene latex, epoxy resin, phenol resin,etc. Nonflammable fireproof addictive: it mainly includes phosphorus, halogens, nitrogen organic compounds (chlorinated paraffins, TBP ( tributyl phosphate ), decabromodiphenyl ether), and borate series (boric acid, zinc borate, aluminium borate), antimony series, aluminium series, zirconium series and other inorganic compounds.
Q:What is special refractories?
Long nozzle, slidding plate, tapping hole, stopper rods, and products that steel mills use
Q:What refractories can withstand high temperature above 2100 degrees?
It depends on refractoriness of refractory materials. The three refractory bricks above is 300 degrees higher than quartz sand in refractoriness. Magnesia brick: Cast corundum brick with greater than 2000 degrees refractoriness should be enough for you to use. But products like quartz sand merely keeps 1600 to 1700 in refractoriness generally. As you described that refractoriness is greater than 1990 degrees, it is feasible to use hearth made by mixing of quartz sand and refractory cement, which can work for some time at 200 degrees. It is also ok to use dolomite brick whose refractoriness is greater than 2000 degrees.
Q:What's the difference between refractory metal raceway and fireproof raceway?
Fire protection slot won't cause fire accident under the temperature of no more than 200℃. While the refractory cable tray is made with refractory materials and can withstand high temperature of 800℃ with no fire accident happening. The test standard depends on the maximum temperature it can endure. Hope it's helpful for you!
Q:who knows the requirements of refractory for forge furnace?
Here is the requirements of refractory for forge furnace: according to the chemical properties,casting fireproof materials are divided into three major categories: acidic, neutral and alkaline refractory materials. alkaline and neutral refractory materials are commonly used, such as alkaline magnesia-carbon bricks and burned magnesite bricks, magnesite-chrome bricks, magnesium-calcium brick, neutral high alumina brick, corundum brick, clay brick, etc., shapelessness materials include: castable refractory, ramming mass, gunning mix, coating, dry vibrating materials and so on! Hope my answer can help you.

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