PCE powder, or polycarboxylate superplasticizer powder, is a powdered polycarboxylate superplasticizer produced through a special spray drying process. Composed of a variety of high-molecular-weight organic compounds, polycarboxylate superplasticizer is a new generation of environmentally friendly superplasticizers, boasting high water reduction rates and high plasticity, playing a key role in the building materials industry.
- Product Name: PCE Superplasticizer
- Appearance: White powder
- Water Reducing Rate: ≥25%
- Solid Content, %: 98±1.0
- Solubility: Completely Soluble
- PH Value: 9.0±1.0
- HS Code: 38244010.00
Key Features of PCE Polycarboxylate Superplasticizer Powder
- High Water Reduction Rate. PCE powder performs exceptionally well in cement-based grouts, gypsum-based grouts, and high-grade concrete, achieving a water reduction rate of up to 40%. It exhibits excellent water-reducing properties even at low addition levels, effectively reducing the water content in concrete or cement paste, significantly improving its fluidity and plasticity, making the material easier to work with. It also reduces the water-cement ratio, enhancing the strength and durability of the hardened material.
- Excellent Dispersibility. The polycarboxylate superplasticizer powder imparts excellent fluidity, cohesiveness, and water retention to the paste, resulting in excellent workability. During the concrete mixing process, it evenly disperses cement particles, preventing agglomeration, ensuring consistent properties across all concrete components, improving construction efficiency, and meeting diverse construction requirements.
- High Adaptability. It exhibits excellent compatibility with ordinary Portland cement, sulfoaluminate cement systems, Portland cement-sulfoaluminate cement composite systems, and gypsum-based materials. It also blends well with other additives such as defoamers, retarders, redispersible polymer powders, and cellulose, facilitating its use in various formulations. Early Strength and High Strength. PCE powder boasts excellent early strength and reinforcement. Under the same conditions, compared to other water reducing agents, products using PCE powder achieve significantly greater early strength gains and significantly higher later strength. This feature is particularly advantageous in projects with high strength requirements and fast construction times. It also reduces dosage and reduces costs while still meeting strength requirements.
- High Durability. It enhances the density of the hardened slurry, improves impermeability, corrosion resistance, and ion permeability, enhances shrinkage and creep resistance, reduces cracking, and extends the service life of concrete structures. It is suitable for construction projects requiring high durability, such as bridges and dams.
- Green and Safe. Containing no harmful substances, polycarboxylate ether powder is an environmentally friendly material. It is pollution-free during production, use, and disposal, aligning with the concept of sustainable development and meeting the current demand for green and environmentally friendly materials in the construction industry.
| Items | Standard | ||||
| PCE Liquid (High Water Reduction) | PCE Liquid (High Slump Retention) | PCE Powder | |||
| Appearance | Light Yellow Liquid | Clear Transparent Liquid | White Powder | ||
| Solid Content, % | 50±1.0 | 50±1.0 | 98±1.0 | ||
| Density (23℃) (kg/m3) | 1.13±0.02 | 1.05-1.10 | 600±50 | ||
| PH | 6.5-8.5 | 6.5-8.5 | 9.0±1.0 | ||
| Chloride Content,% ≤ | 0.1 | 0.1 | 0.1 | ||
| Na2SO4 (by solid content), % ≤ | 4.0 | 4.0 | 4.0 | ||
| Solubility | Completely Soluble | ||||
| Water reducing ratio, % ≥ | 25 | ||||
| Packing | The packing of PCE liquid is 230kg PE drum, 1100kg IBC tank or flexitank. But for PCE superplasticizer powder, its packing is 25 kg PP woven bag. | ||||
1. Building Materials
- Concrete Engineering: Widely used in precast and cast-in-place concrete for various industrial and civil construction applications. Suitable for high-strength, high-performance, high-durability, high-flow, vibration-free, self-leveling, self-compacting, and steel fiber-reinforced concrete. In high-rise building construction, PCE powder can produce highly fluid, high-strength concrete, meeting pumping requirements and ensuring concrete pouring quality. In large-volume concrete projects such as dam construction, it can reduce hydration heat, minimize cracking, and improve project durability.
- Cement Products: Used in the manufacture of cement flues and precast concrete components. It improves the molding properties of cement products, enhancing their strength and appearance, and enhancing their reliability during transportation and use.
- Grouting Materials: Plays a vital role in pipeline grouting, repair grouting, and special early-strength grouting. It imparts excellent flowability and filling properties to the grouting material, ensuring full grouting and improving the quality of the grouting project. For example, in the grouting of prestressed pipes in bridges, it ensures effective bonding between the prestressed tendons and concrete.
2. Gypsum Building Materials
- Gypsum-based self-leveling mortar: polycarboxylate ether powder has excellent compatibility with phosphogypsum, desulfurized gypsum, and gypsum/cement composite systems. It improves the fluidity and workability of self-leveling mortar, enabling it to self-level and form a smooth surface. It is commonly used in interior floor screeding.
- α High-strength gypsum products: It helps improve the strength and formability of high-strength gypsum products, enabling them to be used in high-end architectural decoration, mold manufacturing, and other fields.
- Gypsum partition board: It improves the slurry properties during the production process, enhancing board quality and production efficiency, and providing gypsum partition board with enhanced sound insulation, thermal insulation, and fire resistance.
- Other gypsum products: It is widely used in the production of various gypsum decorations, gypsum blocks, and other products, improving product performance and quality.
3. Other industries
PCE powder is also used in industries with high requirements for material fluidity and strength, such as refractory materials and ceramics. In the production of refractory materials, adding PCE powder can improve the molding properties of the clay, increase the strength and density of refractory products, and enhance their high-temperature resistance; in ceramic production, it helps to improve the plasticity and fluidity of the ceramic body, and improve the quality and yield of ceramic products.
The raw materials used in PCE powder production, such as polycarboxylate-based water-reducing agent monomers and initiators, are susceptible to international crude oil prices and the supply and demand of chemical raw materials, resulting in frequent price fluctuations. For example, rising crude oil prices can drive up the prices of basic chemical raw materials like ethylene, thereby increasing the production cost of PCE powder. These cost fluctuations can lead to unstable product prices and hinder market adoption. Companies should address these challenges by establishing long-term, stable partnerships with raw material suppliers and optimizing production processes to reduce energy consumption. For example, adopting new polymerization processes can shorten reaction times, reduce raw material consumption, and stabilize costs.
The raw materials for PCE powder production include polycarboxylate superplasticizer small monomers, functional small monomers, macromonomers, initiators, and chain transfer agents. These raw materials are first polymerized through a specific process to form a polycarboxylate superplasticizer mother liquor. This mother liquor is then spray-dried. Under high temperature, the mother liquor is atomized into tiny droplets. These droplets rapidly come into contact with hot air, causing the water to evaporate instantly, ultimately resulting in a dry PCE powder product. During the production process, precise control of the raw material ratio, polymerization reaction conditions (such as temperature, pressure, and reaction time), and spray drying parameters (such as inlet and outlet air temperatures and spray pressure) is crucial to ensure consistent product quality and performance.
Why Choose Kingsun
- As a leading PCE powder manufacturer and supplier in China, Kingsun has the advanced production lines and an annual production capacity of up to 120,000 tons.
- We can provide free samples, sufficient inventory and more competitive prices for all the customers.
- All of kingsun concrete admixtures have passed many certifications, such as ISO 9001, ISO4001、SGS, etc.
- Our main markets are in the Middle East, Southeast Asia, South America, Central Asia and Europe.