Self-leveling compounds is a compound used to smooth uneven concrete or wooden floors. It is a flowable, self-leveling and self-smoothing material that can produce a flat, smooth and hard surface with excellent compressive strength. Self-leveling compounds can be divided into cement-based self-leveling, gypsum-based self-leveling, gypsum concrete, etc.

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Leveling Compounds is a kind of building material used for ground leveling. It is usually composed of cement, gypsum, aggregate, polymer modifier (such as redispersible latex powder RDP) and functional additives (such as water reducer, defoamer, etc.), with good fluidity, convenient construction, and smooth surface after hardening.

Main uses of self-leveling materials:

Ground leveling: used for rapid leveling of uneven ground (such as concrete base), providing a flat base for subsequent laying of floors, tiles, etc.

Repairing the ground: used to repair cracks, holes or damaged areas on the ground, and restore the flatness and strength of the ground.

Improving ground performance: by adding functional materials (such as waterproofing agents, wear-resistant agents, etc.), the waterproofness, wear resistance and durability of the ground are improved.

Advantages of self-leveling materials:

Convenient construction: good fluidity, automatic leveling, reducing the workload of manual leveling.

Quick hardening: usually hardens within a few hours, shortening the construction period.

Surface flatness: After hardening, the surface is smooth and flat, suitable for direct laying of floors or carpets.

High strength: After hardening, it has high compressive strength and wear resistance, suitable for a variety of ground needs.

Application scenarios:

Residential and commercial buildings: used for leveling and repairing indoor floors.

Industrial flooring: used for floor leveling and wear-resistant treatment in factories, warehouses and other places.

Special places: such as hospitals, laboratories and other places with high requirements for ground flatness and hygiene.

Self-leveling materials are an indispensable functional material in modern construction and decoration. They can efficiently solve the problem of uneven ground and provide good basic conditions for subsequent construction.

The role of additives used in leveling compounds

1. Polymer modifier (such as RDP, redispersible latex powder)

Function:

Improve the bonding strength and flexibility of the material.

Reduce shrinkage and cracking, and enhance crack resistance.

Improve the water resistance and durability of the material.

2. Water reducer (such as HPS, high-performance water reducer)

Function:

Reduce the water consumption of the material, improve fluidity and self-leveling.

Increase the density and strength of the material.

Reduce bubbles and pores, and improve surface smoothness.

3. Water retaining agent (such as HPMC, hydroxypropyl methylcellulose)

Function:

Prevent water from evaporating too quickly and ensure that the material is fully hydrated.

Improve the construction and leveling of the material.

Reduce shrinkage and cracking.

4. Defoamer

Function:

Eliminate bubbles generated during mixing and construction.

Improve the density and surface smoothness of the material.

5. Early strength agent (such as calcium formate)

Function:

Accelerate the early strength development of materials and shorten the construction period.

Improve the construction performance in low temperature environment.

6. Retarder

Function:

Extend the operability time of materials and ensure the smooth completion of construction.

Prevent premature hardening of materials and affect the leveling effect.

7. Expansion agent

Function:

Compensate for the shrinkage of materials and reduce the risk of cracking.

Improve the volume stability of materials.

8. Waterproofing agent (such as silane hydrophobic powder, Silicone Hydrophobic Powder)

Function:

Improve the waterproof performance of materials and prevent water penetration.

Enhance the durability and anti-aging properties of materials.

9. Abrasion resistant agent

Function:

Improve the wear resistance of materials and extend the service life.

Applicable to high-traffic or heavy-loaded floors.

10. Aggregate (such as quartz sand)

Function:

Increase the strength and wear resistance of materials.

Improve the volume stability and construction performance of the material.

The combined effects of these additives:

Improve construction performance: ensure that the material has good fluidity, self-leveling and operability.

Improve mechanical properties: enhance the strength, crack resistance and wear resistance of the material.

Optimize durability: improve the waterproofness, aging resistance and service life of the material.

By reasonably matching these additives, self-leveling materials can meet the needs of different scenarios and provide a flat, solid and durable base for the ground.