Application technology of polycarboxylate water-reducing agent in concrete construction

Overview of polycarboxylic acid water-reducing agent concrete water-reducing agent

Under the chemical action of the active material, the cement particles in the concrete are adsorbed by the water reducer, and the cement particles generate the same electric charge. The cement particles are separated under the action of the active material of the water reducer, which reduces the surface tension of the cement and water and increases the contact area. . The water content of the cement particles is fully reacted, and under the condition of maintaining the strength, the effect of reducing the amount of cement or water is finally achieved. Fully understanding the characteristics of superplasticizers and applying them correctly will not only help improve the quality of construction, but also help improve economic benefits and better serve project construction.

1. Ordinary water-reducing agents and high-efficiency water-reducing agents should be tested for pH, density (or fineness) and water reduction rate before use, and can be used only after they meet the requirements. The determination of the optimal dosage must meet the design and other performance requirements, the strength, workability, durability and economy of the engineering environmental conditions. According to the recommended dosage provided by the supplier, a reasonable dosage can be obtained through trial mixing. Excessive amount of superplasticizer will cause serious scaling of cement concrete and loss of large cement slurry, resulting in insufficient compactness and affecting strength.

2. The water reducing agent should be formulated into a uniform solution. The hazards of admixture precipitation are the same as those of admixtures. The solid deposits that are not dissolved in the solution should be removed every day. According to engineering needs, common water-reducing agents and water-reducing agents can be mixed with other miscible admixtures.

3. Adding retarders, high temperature retarders, plasticizers or retarding water reducers suitable for cement to the superplasticizer can reduce high temperature slump loss. When transporting cement concrete with a mixer or tanker, The water reducing agent can be added twice at the pouring site, and no water is added after the material is quickly mixed and uniformly discharged. The pouring, vibrating, finishing, etc. can be completed quickly; the retarding high-efficiency water reducing agent is used.

4. The sanitation link is the key link to ensure that the cement concrete structure does not produce cracks and micro-cracks. Therefore, ordinary water-reducing agents and superplasticizers used in highway engineering cement concrete structures should be strengthened and ensured as cement concrete components that use ordinary water-reducing agents as soon as possible are not suitable for steaming; cement-concrete components using retarded-type water-reducing agents must be guaranteed Cement concrete can be steamed only after it has formed a certain structural strength after being static for a period of time. Cement concrete mixed with water reducing agent can be cured by steaming.

Polycarboxylic acid water reducer concrete water reducer application

Polycarboxylic acid water reducer is mainly used for ready-mixed dry powder mortar and unshaped refractory materials, including cement-based non-shrinking self-leveling materials, cement-based non-shrinking grouting materials, pore pressure grouting, emery wear-resistant floors, etc. ; Used for self-compacting concrete with high fluidity.

Polycarboxylate Superplasticizer is a high-performance water-reducing agent and cement dispersant in cement concrete applications. It is widely used in highways, bridges, dams, tunnels, high-rise buildings and other projects.

The product is environmentally friendly, non-flammable, non-explosive, and can be safely transported by trains and cars.

It is suitable for precast and cast-in-place concrete, reinforced concrete and prestressed concrete for high-speed railways, passenger dedicated lines, industrial and civil buildings, roads, bridges, ports, airports and other projects.

It is especially suitable for projects that require a long time for preparing concrete construction and high requirements for maintaining concrete slump, such as nuclear power projects.

Polycarboxylic acid water reducer concrete water reducer price

The price of polycarboxylic acid water-reducing agent concrete water-reducing agent will randomly change with factors such as production cost, transportation cost, international situation, and market supply and demand of polycarboxylic acid water-reducing agent concrete water-reducing agent. The company aims to help various industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full set of customized services. If you are looking for polycarboxylate water reducer concrete water reducer, please feel free to send an inquiry to get the latest price.

Suppliers of polycarboxylic acid water-reducing agent in concrete water-reducing agent

As a global polycarboxylic acid water-reducing agent concrete water-reducing agent supplier, Tianji New Materials Co., Ltd. has extensive experience in the performance, application and cost-effective manufacturing of advanced engineering materials. The company has successfully developed a series of powder materials (including water-based stearic acid emulsion, water-based calcium stearate, zinc stearate, etc.), high-purity targets, functional ceramics and structural devices, and provides OEM services.