What is concrete anti-cracking agent?
The concrete anti-cracking agent is an additive that can delay the occurrence and expansion of concrete cracks and enhance the crack resistance of concrete.
The concrete anti-cracking agent is usually used to prevent or reduce the occurrence of concrete cracks to improve the durability and strength of concrete.
The leading causes of concrete cracking include the following:
In construction, the proportion of cement and lime must be corrected, or there needs to be more moisture during cement hardening, leading to concrete cracking.
In the process of mixing and transporting concrete, the time should be shorter, leading to water evaporation and cracks.
In construction, the construction speed is too fast, and the fluidity needs to be higher, which leads to insufficient concrete settlement and cracks on the surface.
The maintenance is unreasonable, and there is no watering in the later stage, which makes the surface dry and crack.
The environment and air are dry, the temperature is high, the wind is strong, the evaporation of water on the surface is accelerated, and cracks appear on the surface of the concrete.
The concrete is not strong enough to withstand surface pressure, resulting in cracks.
The types of anti-cracking agents for concrete:
Polypropylene fibre anti-cracking agent: polypropylene fibre anti-cracking agent is a standard concrete anti-cracking agent, which is made of polypropylene fibre.
Penetrating agent anti-cracking agent: penetrating agent anti-cracking agent is a kind of anti-cracking agent that prevents cracks by infiltrating concrete.
Expansion agent anti-cracking agent: expansion agent anti-cracking agent is a kind of anti-cracking agent which can increase the volume of concrete to prevent the occurrence of cracks.
Fibre anti-cracking agent: fibre anti-cracking agent is a kind of anti-cracking agent made of unique fibre, which can enhance the crack resistance of concrete.
Shrinkage reducing agent anti-cracking agent: shrinkage reducing agent anti-cracking agent is a kind of anti-cracking agent which can reduce the shrinkage of concrete to prevent the occurrence of cracks.
Interfacial compacting agent (or reinforced compacting agent): interfacial compacting agent (or reinforced compacting agent) is a kind of anti-cracking agent which can enhance the bonding force between concrete and base.
These concrete anti-cracking agents can be used alone or in combination to achieve the best anti-cracking effect.
The principle of concrete anti-cracking agents is mainly based on the following three aspects:
Physical function: concrete anti-cracking agents can increase the compactness of concrete and improve the strength and toughness of concrete to prevent cracks.
Chemical action: concrete anti-cracking agents can react with the chemical composition of concrete and change the chemical properties of concrete, thus increasing the crack resistance of concrete.
Surface effect: concrete anti-cracking agents can improve the compactness and strength of the concrete surface, thus enhancing the crack resistance of the concrete surface.
Through the above principles, concrete anti-cracking agents can effectively prevent or reduce the occurrence of concrete cracks to improve the durability and strength of concrete.
Concrete anti-cracking agent Supplier
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