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Brief introduction & Application:
High alumina cement is also called aluminate refractory cement, is made of bauxite and limestone as raw materials, calcined with calcium aluminate as the main component, clinker with 50% alumina content, and then ground into hydraulic cementitious material.
Aluminate cement can also be yellow or brown, but also gray. The main component of aluminate cement is calcium aluminate (CaO.Al2O3, abbreviated Ca) and other aluminate, and amount of dicalcium silicate (2CaO.SiO2) and so on. Most colors are gray and white.
High alumina cement mainly used for metallurgy, petroleum, chemical industry, building materials, machinery processing, military, etc of thermal technology equipment. With the feature of Fast hard high strength, fire resistance, resistance to sulfate erosion, high refractoriness under load, high thermal stability, good creep resistance thermal shock resistance.
Technical data:
Chemical composition:
Index of inspection | A500/A600/A700 |
Al2O3 | 50~60% |
SiO2 | ≤8.0% |
Fe2O3 | ≤2.5% |
R2O | ≤0.4% |
Physical properties:
Index of inspection | A500 | A600 | A700 |
Blaine specific urface area | ≥300m²/kg | ≥300m²/kg | ≥300m²/kg |
Time of setting | |||
Initial setting time | ≥30min | ≥30min | ≥30min |
Final setting time | ≤6h | ≤6h | ≤6h |
Flexural strength | |||
1d | ≥5.5 | ≥6 | ≥6.5 |
3d | ≥6.5 | ≥7 | ≥7.5 |
Compression strength | |||
1d | ≥40 | ≥45 | ≥52 |
3d | ≥50 | ≥55 | ≥62 |
Product feature:
● High bonding strength
● Low impurity
● Compatible with all kinds of raw materials
● Suitable for a variety of construction methods
● Non- toxic and no pollution
● Wear-resistant to sulfate attack
● Good high temperature resistance
Brief introduction & Application:
High alumina cement is also called aluminate refractory cement, is made of bauxite and limestone as raw materials, calcined with calcium aluminate as the main component, clinker with 50% alumina content, and then ground into hydraulic cementitious material.
Aluminate cement can also be yellow or brown, but also gray. The main component of aluminate cement is calcium aluminate (CaO.Al2O3, abbreviated Ca) and other aluminate, and amount of dicalcium silicate (2CaO.SiO2) and so on. Most colors are gray and white.
High alumina cement mainly used for metallurgy, petroleum, chemical industry, building materials, machinery processing, military, etc of thermal technology equipment. With the feature of Fast hard high strength, fire resistance, resistance to sulfate erosion, high refractoriness under load, high thermal stability, good creep resistance thermal shock resistance.
Technical data:
Chemical composition:
Index of inspection | A500/A600/A700 |
Al2O3 | 50~60% |
SiO2 | ≤8.0% |
Fe2O3 | ≤2.5% |
R2O | ≤0.4% |
Physical properties:
Index of inspection | A500 | A600 | A700 |
Blaine specific urface area | ≥300m²/kg | ≥300m²/kg | ≥300m²/kg |
Time of setting | |||
Initial setting time | ≥30min | ≥30min | ≥30min |
Final setting time | ≤6h | ≤6h | ≤6h |
Flexural strength | |||
1d | ≥5.5 | ≥6 | ≥6.5 |
3d | ≥6.5 | ≥7 | ≥7.5 |
Compression strength | |||
1d | ≥40 | ≥45 | ≥52 |
3d | ≥50 | ≥55 | ≥62 |
Product feature:
● High bonding strength
● Low impurity
● Compatible with all kinds of raw materials
● Suitable for a variety of construction methods
● Non- toxic and no pollution
● Wear-resistant to sulfate attack
● Good high temperature resistance
