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Amorphous calcium aluminate / concrete additive / cement additive
【Feature】：
High-strength and super high-early strength;Low profile;
【Usage】：
Accelerated and rapid harding as cement accelerator,mainly in tunnels,
【Package】：
1 MT big bag or 25kg paper bag *40 bags on one pallet ;As per customer’s requirement
Email: helen6777@ruishigroup.com
Description：
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.
Amorphous Calcium aluminate advantages:
1、Accelerated and rapid harding
2、Defending against leakage
3、High-strength and super high-early strength;
4、Low profile;
5、Enhanced persistence,
6、Good adhesion
Non-crystalline calcium aluminate usages:
1、Accelerated and rapid harding as cement accelerator,mainly in tunnels,underground engineering
2、Defending against leakage in nuclear power plant and other major projects
Specification:
Physical and chemical indexes of non-crystalline calcium aluminate:
Packing： 1 MT big bag or 25kg paper bag *40 bags on one pallet ;As per customer’s requirement
COA：Please click the picture to view the big picture
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.
Amorphous Calcium aluminate advantages:
1、Accelerated and rapid harding
2、Defending against leakage
3、High-strength and super high-early strength;
4、Low profile;
5、Enhanced persistence,
6、Good adhesion
Non-crystalline calcium aluminate usages:
1、Accelerated and rapid harding as cement accelerator,mainly in tunnels,underground engineering
2、Defending against leakage in nuclear power plant and other major projects
Specification:
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 | 5000-5500 m2/g | |||||
Packing： 1 MT big bag or 25kg paper bag *40 bags on one pallet ;As per customer’s requirement
COA：Please click the picture to view the big picture
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