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For Rapid Hardening Mortar Additive Amorphous Calcium Aluminate ACA Shotcrete

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Brand Name : RS

Model Number : Amorphous C12A7 calcium aluminate

Certification : CIQ

Place of Origin : China


Price : in negotiation

Payment Terms : L/C, T/T, D/A

Supply Ability : 3000MT per month

Delivery Time : 5-8 works day

Packaging Details : 1 MT big bag or as per customer’s requirement

Non-crystallization rate : Over 95%

Usage : in tunnels and underground engineering

Specific surface area : 5000-6000 m2/g

Color : light gray-green

Advantages : Enhanced persistence

Properties : Non-crystalline C12A7

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Amorphous Calcium Aluminate Shotcrete Additive For Rapid Hardening Mortar



Amorphous Calcium Aluminate For Mortar Reparation Concrete Mix Accelerator In Nuclear Power Plant.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:

  • Accelerated and rapid harding
  • Defending against leakage
  • High-strength and super high-early strength;
  • Low profile;
  • Enhanced persistence,
  • Good adhesion


Non-crystalline calcium aluminate usages:

  • Accelerated and rapid harding as cement accelerator,mainly in tunnels,underground engineering
  • Defending against leakage in nuclear power plant and other major projects



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




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

Product Tags:

Additive Amorphous Calcium Aluminate


Amorphous Calcium Aluminate Shotcrete


Mortar amorphous calcium aluminate

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