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Amorphous calcium aluminate / cement accelerator

[Product Specifications]: 4000-5500 cm2 / g

[Production capacity]: 10,000 tons

[Scope of application]: sprayed concrete, repair mortar, tile adhesive, floor additive, water-proof and leak-proof mortar.

【product description】:

Amorphous calcium aluminate is the basic raw material of a new type of rapid setting agent. Its main component is amorphous aluminate. Appearance is light gray-green powder. Mostly used in cement quick setting agent, concrete quick setting agent.

The properties of non-crystalline calcium aluminate are higher than that of crystalline products. When used in combination with ordinary silicates, it can achieve higher reactivity and efficiency. The amorphous calcium aluminate can react unexpectedly with gypsum and water to form ettringite; add an appropriate amount of it to ordinary portland cement, and the initial setting can be completed in less than one minute. In addition, ettringite has a stable structure and good strength. At the same time, the volume of ettringite expands, forming prestress and shrinkage resistance.

The effects of non-crystalline calcium aluminate can be obtained according to the amount of addition: rapid setting and ultra-rapid setting; high strength and ultra-high early strength; low shrinkage; enhanced durability; good adhesion

Our products have been exported to Germany, Korea, Japan and other countries. ...

18603798888 Sales Hotline: 18603798888

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Amorphous calcium aluminate is the basic raw material of a new type of rapid setting agent. Its main component is amorphous aluminate. Appearance is light gray-green powder. Mostly used in cement quick setting agent, concrete quick setting agent.

The properties of non-crystalline calcium aluminate are higher than that of crystalline products. When used in combination with ordinary silicates, it can achieve higher reactivity and efficiency. The amorphous calcium aluminate can react unexpectedly with gypsum and water to form ettringite; add an appropriate amount of it to ordinary portland cement, and the initial setting can be completed in less than one minute. In addition, ettringite has a stable structure and good strength. At the same time, the volume of ettringite expands, forming prestress and shrinkage resistance.

The effects of non-crystalline calcium aluminate can be obtained according to the amount of addition: rapid setting and ultra-rapid setting; high strength and ultra-high early strength; low shrinkage; enhanced durability; good adhesion

Our products have been exported to Germany, Korea, Japan and other countries.

Application range

The main uses of non-crystalline calcium aluminate: sprayed concrete, repair mortar, porcelain tile adhesive, floor additive, water-proof and leak-proof mortar.

Amorphous calcium aluminate has been widely used abroad, and has been widely used in important large projects such as tunnels, underground engineering (nuclear power plants).

Production Process

High-quality bauxite and lime are smelted in an electric furnace in a certain proportion.

Technical Parameters

Physical and Chemical Indexes of Amorphous Calcium Aluminate:

Specification Physical and chemical indicators (%)
CaO Al2O3 SiO2 Fe2O3 TiO2 MgO
High calcium 50-55% 38-44% ≤5.0 ≤2.0 ≤2.0 ≤2.0
High aluminum type ≤48 ≥42 ≤5.0 ≤2.0 ≤2.0 ≤2.0
Amorphous rate More than 90
Specific surface area 4000-5500 cm2 / g

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