High Alumina Cement

High Alumina Cement is an excellent unshaped refractory materials for sale in RS Factory. The main chemical composition of High Alumina Cement includes calcium aluminate, plus about 50% of the alumina. High Alumina Cement is widely used in the construction industry, refractory industry, engineering, and food processing industry, etc.

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High alumina cement specification can be reflected from the physical and chemical index below.

High Alumina Cement Specification

Characteristic Unit Result State standard
Specific surface area ㎡/Kg 538.4 ≥300
Chemical analysis SiO2 % 0.39 ≤0.5
AL2O3 % 77.69 ≥77
Fe2O3 % 0.2 ≤0.5
R2O % 0.16 ≤0.4
Setting time IS minute 95 ≥30
FS minute 169 ≤360
Bending strength One day Mpa 7.9 ≥4.0
Three days Mpa 8.9 ≥5.0
110℃ Mpa 8.6
Compressive strength One day Mpa 37.9 ≥25
Three days Mpa 50.0 ≥30
110℃ Mpa 70.6

High Alumina Cement Composition

High aluminous cement is called bauxite cement before. It is a kind of hydraulic binder, being produced after the calcining and grinding with the bauxite and limestone as the raw material, so it is also called calcium aluminate cement.

High Alumina Cement Properties

High alumina cement properties: alumina cement has advantages of fast coagulation, high initial strength, good corrosion resistance to sulfate, good resistance to high temperature, and biological acid erosion.

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Compositions: Bauxite and limestone

 

Properties

  • High initial strength
  • Sulfate corrosion resistance, and biological acid erosion
  • High temperature resistance, and fast coagulation,etc.

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High Alumina Cement Uses

High Alumina Cement is applied in the emergency repair project and low temperature concrete engineering. As a kind of binder, aluminate cement can be used as heat resistant concrete cementation material for refractory castable or refractory concrete, configured to heat resistant concrete. We call such material high alumina cement concrete.

High alumina cement uses are strongly reflected in different areas. It is the preparation of monolithic refractories and special cement such as gypsum alumina expansive cement and self-stressing cement. In addition, it is used in the scrambling and repairing project, constructions in winter, engineering of sulfate-resistance, sewage pipe manufacture and some food processing factory ground.

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Applications

  • Emergency repair project
  • Low temperature concrete engineering, etc.

High Alumina Cement manufacturing methods

  • Rotary kiln sintering
  • Arc furnace melting method
  • Reverberatory furnace melting method, etc.

 

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High Alumina Cement Problems

In the process of installing the high alumina cement , some attentions should be paid to, or some problems may arise.

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Attentions

  • It can’t be mixed with lime and Portland cement, so the mixing equipment must be cleaned.
  • It can’t be used for projects that direct contact the alkaline solution.
  • It is not used in mass concrete, and it can’t contact the non-hardened Portland cement.
  • Without the test, it can’t be added to any additional content.

 

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High Alumina Cement Suppliers

Rongsheng is one of the best high alumina cement suppliers or manufacturers. It is established in the early 90s of twenty century. The abundant high quality materials and convenient transportation, neighboring the Longhai and Jingguang railway lines, provide favorable conditions for the production of the refractory materials. After 20 years of hardworking and development, it has become a comprehensive enterprise producing refractory materials in metallurgy, building materials, electric power and chemical industry, etc.

It has perfect production equipment and testing instrument, and passed ISO9001: 2008 quality system certification, environmental management system certification, and occupational health and safety management system certification.

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Major products:

 

 

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Professional sales and after-sales service team: they offer consumers the best all-round services in applications, construction and installation, operation and technical training, etc. Rongsheng has established cooperative relations with multiple scientific research institutes, and high alumina cement has been exported to Japan, Indonesia, Iran, Kazakhstan, Vietnam, etc.

Rongsheng has always been adhering to the business purpose of honesty, respectful, innovation, and dedication. And has always been taking strict check, excellent products and professional services as the top goal.

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