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Concrete Mix Accelerator ACA Rapid Set Cement Additive Enhanced Persistence Sprayed

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Concrete Mix Accelerator ACA Rapid Set Cement Additive Enhanced Persistence Sprayed

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Brand Name : RS

Model Number : Amorphous C12A7 calcium aluminate

Certification : SGS

Place of Origin : china

MOQ : MOQ:20MT

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 , underground engineering

Specific surface area : 5000-6000 m2/g

Color : light gray-green powder

Advantages : Low profile,Good adhesion

Properties : Non-crystalline C12A7

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Sprayed Concrete Mix Accelerator Rapid Set Cement Additive Enhanced Persistence

 

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:

  • 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

 

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


Product Tags:

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