Cement Additive in Concrete Admixture Amorphous Calcium Aluminate Quick Setting Concrete Additive
Cement additive in concrete admixture Amorphous calcium aluminate quick setting concrete additive

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.
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 |
≤1.0 |
≤1.0 |
≤1.0 |
High-alumina products |
≤48 |
≥42 |
≤5.0 |
≤2.0 |
≤1.0 |
≤1.0 |
Non-crystallization rate |
Over 95% |
|||||
Surface area |
4000-5500 cm2/g |
|||||
Packing:1 MT big bag or as per customer’s requirement
Amorphous Cacium aluminate advantages:
l Accelerated and rapid harding
l Defending againt 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 againt leakage in nuclear power plant and other major projects
Remark: specification and size can be optimized by per customer' requirement
FAQ :
Q1. Will the FREE SAMPLES be provided for buyers?
- YES. We will provided FREE SAMPLE about 1kg
Q2. How about the express fee?
- Our company’s policy is the buyer pay for express fee.
Q3. Is there QUALITY REPORT for the products?
- YES. We provide quality report of our company or CIQ,SGS according to client‘s requirement
Contact person:Helen Liang
Tel: 86-18637906777
WeChat: 86-18637906777
Our company : HENAN RUISHI INVESTMENT GROP
Productive Process:
Supplier Assessment Certificate:
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