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Concrete Mix Accelerator Amorphous C12A7 Rapid Setting For Shotcrete Accelerator
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 |
≤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
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
Keywords:
Amorphous Calcium Aluminate,Amorphous C12A7, ACA, Concrete Accelerator, Shotcrete Accelerator, Flash Setting Agent, Quick Setting Additive,Cement Additive,Shotcrete additive, Non Crystalline Calcium Aluminate, Non Crystallized Calcium Aluminate, CAS No 12042-68-1
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