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- High alumina cement is obtained by fusing or sintering a mixture in suitable proportion of alumina and calcareous material and grinding the resultant product to a fine powder.
- Raw materials are limestone and bauxite.
- About 20% of strength is achieved in one day.
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What is lime saturated factor or LSF?
It's actually called the Lime Saturation Factor and it is one of three quality control factors used in cement manufacture. It represents the amount of lime (CaO) required to completely react with all of the silica (SiO2), alumina (Al2O3) and iron oxide (Fe2O3) in a cement kiln to produce the hydraulic minerals required for cement to set properly. It's formula is;- LSF = (100 * CaO)/(2.8 * SiO2 + 1.18 * Al2O3 + 0.65 * Fe2O3) The other two factors used to control cement clinker quality are;- Silica Ratio (S.R.) = SiO2/(Al2O3 + Fe2O3) and Alumina Ratio (A.R.) = Al2O3/Fe2O3 Regards, Ted.
What is impact of effluents from cement factory on groundwater?
The effluents from cement factories is highly toxic, and contains high levels of heavy metals. Both plant life and water near cement factories were found to have increased levels of heavy metals as well as other damage.
What are the various types of Ordinary Portland Cement?
The various types of ordinary portland cement are,Ordinary portland cement 33 gradeOrdinary portland cement 43 gradeOrdinary portland cement 53 grade
PVC Cement is a type of cement?
It is a type of glue used for gluing pipes together... (not the type of cement in concrete).
Element used for cement and glass?
The key element in cement and glass is silicon.
What is high alumina cement used for?
High Alumina Cement is an inorganic material that form a dense texture when it reacts with water and has a excellent refractory, quick hardening property and resistance to chemical attacks. This type of cement is produced by grinding clinkers formed by calcining bauxite and lime
What has the author Thomas David Robson written?
Thomas David Robson has written: 'High-alumina cement and concretes'
What is the resion of fast set in high alumina cement?
This is due to formation of high percentage of CA phase. .... Gautam Kumar Bhattacharya / Katni / India
Prorerties of high alumina cement?
It is resistant to sulfates. It can withstand high temperatures. (It melts at around 3000 F.) It is resistant to sulfates. It can withstand high temperatures. (It melts at around 3000 F.)
What has the author T D Robson written?
T. D Robson has written: 'High-alumina cements and concretes' -- subject(s): Concrete, Cement
WHAT IS ACTIVATED ALUMINA?
Activated alumina is a type of porous alumina with a very high surface area.
Where high alumina bricks are used?
High Alumina bricks are used for non-ferrous Industry.
What is Al203 activated alumina?
Activated alumina is a type of porous alumina with a very high surface area.
Composition of cement?
Cement is made , not found. Portland cement, for instance, is made by heating limestone and clay to high temperature (1500 degrees Celsius) and crushing the result to a powder for sale.
Where High alumina CA STABLES used?
High Alumina Castables are mainly used in the place wherein High-Temperature fields.
What is tabular alumina?
Tabular alumina is a high-purity form of aluminum oxide that is made by sintering or heat-treating alumina powder. It has a unique tabular shape that provides high mechanical strength, thermal shock resistance, and chemical inertness, making it ideal for applications in refractory materials, ceramics, and catalyst supports.
What are the types of refractory bricks?
There are many types of refractory bricks available. Those are Andalusite Bricks, Dense Silica Brick for Glass Furnace, Corundum Mullite Brick, Corundum Brick, Fireclay Brick for Coke Oven, Fireclay Brick for Blast Furnace, Low Creep High Alumina Brick for Hot Stoves, High Alumina Bricks for Blast Furnaces, General Refractory Fireclay Brick, General High alumina refractory brick, Insulating firebrick, Silica bricks-coke oven refractories, Magnesia brick, Magnesia Bricks for Cement Industry, High Alumina Bricks For Cement Industry, Fused cast Bricks, Sillimanite Bottom Blocks, Low Porosity Fireclay Bricks, Zirconia Bricks, General fireclay brick for steel industry, Refractory insulating fire brick B&C series, Insulating bricks etc.
