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Sell Cement additive in concrete admixture C12A7 Amorphous calcium aluminat

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  • Company Name :Luoyang Ruishi Trading Co.Ltd
  • Membership :Free member
  • Registrarion Date :2018. 05. 11
  • CountryRegion:China
  • Address:23 Floor , Wuzhou Building ,No.248 ,Kaiyuan Road,Luolong District of Luoyang Luoyang Henan, China
  • Phone / Fax:86-379-65286158  /  
  • Contact:Helen Liang
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Amorphous calcium aluminate accelerator Cement additive of 5200-6000 m2/g

Amorphous calcium aluminate is the basic raw material of a new Accelerator, its principal constituent is the non-crystalline calcium aluminate. Appearance of light gray-green powder.

Properties of amorphous calcium higher reactivity than the crystalline product, used in conjunction with silicate cement, can achieve a higher degree of responsiveness and efficiency. Non-crystalline calcium aluminate reacts unexpectedly fast with plaster and water to produce ettringite; adds its appropriate to ordinary silicate cement, the initial setting in less than a minute to complete. Addition of ettringite structural stability, good strength. While ettringite volume expansion, formation of prestressed concrete and shrinkage resistance.

Physical and chemical indexes of non-crystalline calcium aluminate:

Specification  Chemical composition(%)
  CaO  Al2O3  SiO2  Fe2O3  TiO2  MgO
High-calcium products  50-55%  38-44%  ≤5.0  ≤2.0  ≤2.0  ≤2.0
High-alumina products  ≤48  ≥42  ≤5.0  ≤2.0  ≤2.0  ≤2.0
Non-crystallization rate   Over 95%
Specific surface area   5000-6000 m2/g

Packing:1 MT big bag or as per customer’s requirement
Amorphous Calcium aluminate advantages:
l Accelerated and rapid harding
l Defending against leakage
l High-strength and super high-early strength;
l Low profile;
l Enhanced persistence,
l Good adhesion

Non-crystalline calcium aluminate usages:

l Accelerated and rapid harding as cement accelerator,mainly in tunnels,
underground engineering

l Defending against leakage in nuclear power plant and other major projects

Spec Al2O3 CaO SiO2 MgO
Quantity 1000
Price USD 750 per MT FOBxingang,China
Package 1 MT big bag or as per customer’s requirement

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  • Sell Cement additive in concrete admixture C12A7 Amorphous calcium aluminat

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