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Brief Analysis of Quick-hardening and High-strength CSA Cement Foam Concrete

Ⅰ. The production process of CSA cement

Sulfoaluminate foamed concrete is produced by a unique cement foaming agent and modified CSA cement. This process is a new product developed on the basis of calcium aluminate cement foaming agent. uses are better applied.

CSA cement foam concrete inherits the physical properties of thermal insulation, heat insulation, sound insulation and waterproof and simple production process of silicate foam concrete, and overcomes the slow strength development and low compressive strength of silicate foam concrete.

It also overcomes the weakness that calcium aluminate foamed concrete has a slow increase in the early strength of high water-cement ratio. It has fast hardening, high strength, and compressive strength close to that of red brick. It is easy to operate and has a good performance-price ratio. New technology.

CSA cement is a new type of cement in China. The use of sulfoaluminate to produce foamed concrete has rapid hardening, high strength, high compressive strength, good toughness, crack resistance and impermeability, low water absorption, wear resistance, and can be cut, CSA cement is ideal Materials for in-situ pouring of foamed concrete walls, impermeability, and thermal insulation.

The hourly strength increases rapidly, and the utilization rate of mold and site is high.

However, the compressive and flexural strength of sulfoaluminate foamed concrete is several times higher than that of Portland cement foamed concrete, which is close to ordinary concrete and red bricks, which do not have thermal insulation, sound insulation, cold protection and waterproof performance.

Ⅱ. The use of CSA cement

Sulfoaluminate foamed concrete has strong cohesiveness, which overcomes the phenomenon of poor cohesion between silicate foamed concrete and old objects and easy separation and falling off.

In use, the CSA cement foam concrete can be poured and covered with floor tiles, which saves a lot of cement mortar. The foam concrete has closed pores, which has excellent waterproof and impermeability, saving paste materials and shortening construction time. The floor can be used after about 24 hours.

The process technology can also be applied to indoor and outdoor partition walls, and the natural stone and ceramic decorative tiles for exterior wall decoration can be cast and pasted at the same time.

Production of floor heating thermal insulation foam concrete, sulfoaluminate foam wall panels to replace lightweight GRC foam partition wall panels, GRC roof thermal insulation waterproof layer.

CSA cement can also produce imitation natural foam cultural stone, artwork, sound-absorbing, sound-insulating panels, and ceilings. It hardens naturally and quickly in large-scale industrial production, has high site utilization, and is exempt from steam maintenance.

Ⅲ. CSA cement foaming agent

1. Transparent brownish yellow solution, instant, can be diluted in any ratio.

2. It is non-toxic, harmless to people and does not pollute the environment.

3. The dosage is about 0.5kg-1kg per cubic meter of foamed concrete, and the amount of foam of CSA cement foaming agent is 500-600 times of the original volume.

4. It can be stored for one to two years.

5. Physical properties of sulfoaluminate concrete:

6. Coagulation time: initial coagulation time is 10min-30min.

7. Final setting time of CSA cement foaming agent: 30min.

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Brief Analysis of Quick-hardening and High-strength CSA Cement Foam Concrete