Polycarboxylate superplasticizer (PCE), also known as polycarboxylate ether superplasticizer, is a new generation of high-performance concrete admixture. PCE superplasticizer is a high-performance water reducing agent that integrates many functions such as high water reduction, high collapse retention, reinforcement, shrinkage, and environmental protection. It is also an ideal admixture for preparing high-strength and high-performance concrete.
The polycarboxylate ether superplasticizer is an additive commonly used in concrete engineering and has a wide range of applications. The PCE based admixture can significantly reduce the amount of cement and improve the fluidity and pumpability of concrete while ensuring the strength and durability of concrete. Therefore, PCE superplasticizer can be widely used in these projects, such as water conservancy, eletrical power, ports, railway ,bridge, highway and buldings, etc.
| Items | Polycarboxylate Superplasticizer | |||
| PCE (High Water Reduction) | PCE (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 of PCE Based Superplasticizer | For PCE liquid, the packing is 230kg PE drum, 1100kg IBC tank or flexitank. For PCE Powder, the packing is 25 kg PP woven bags. | |||
Introduction of Polycarboxylate Superplasticizer Powder & Liquid
As a professional PCE superplasticizer manufacturer in China, sulfuric can provide three different types of polycarboxylate superplasticizers for you, they are PCE powder, PCE (High Water Reduction) liquid, PCE (High Slump Retention) liquid. Compared with naphthalene superplasticizer and common water-reducing agents, PCE admixture has many technical features.
1. PEC Powder. PCE powder is a free-flowing, sandy, spray-dried powder. It has the characteristics of high fineness, excellent dispersibility, low gas content, good adaptability with various cements, and improved fluidity of mortar, etc. It is a new generation of polycarboxylate ether polymer, which can be used as a superplasticizer for cement-based materials. Polycarboxylate powder is also an excellent dispersing plasticizer for mineral materials such as gypsum and ceramics.
2. High Water Reduction. PCE water reducer is a ready-to-use liquid superplasticizer. It is light yellow in appearance. Besides, it can be completely water easily. The water reduction efficiency of PCE concrete admixture can be up to 25%. It is mainly used in the ready-mixed and precast concrete industries where the highest durability and performance is required.
3. High Slump Retention. PCE-High Slump Retention is a new generation superplasticizer for concrete. It contains polycarboxylate ether polymers and is specially formulated for ready-mix concrete where slump retention, high strength and durability are required in hot climates. It is chloride-free, meets SS EN 934, Set retarding/high range water reducing/superplasticizing admixtures, and ASTM C 494 requirements for Type F & G. It is also compatible with all cements meeting the ASTM standards. As an ideal admixture for the ready-mixed concrete industry, PCE superplasticizer has the ability to work with a low water/cement ratios and still obtain extended slump retention to make high-quality concrete.
Polycarboxylate ether (PCE) superplasticizers have a variety of uses such as improving concrete liquidity and pumping, reducing water-ash ratio, improving crack resistance, improving early intensity and saving cement dosage. The use of polycarboxylate ether in concrete construction can improve construction efficiency, improve the performance of concrete, and reduce construction costs. It has important economic and technical significance.
- Compatibility with Various Cement Types. The poly carboxylic ether superplasticizers are compatible with a wide range of cement types, including ordinary Portland cement, blended cement, and even specialty cements. This versatility makes them suitable for various construction applications and projects.
- Improve the liquidity and pumping of concrete. PCE based superplasticizer can form decentralized gelgen particles in the concrete, so that the liquidity of concrete can be significantly improved. By adding an appropriate amount of water reducing agent, the concrete can become more flowing and plastic, thereby improving the efficiency of construction. In addition, PCE superplasticizer can also improve the pumpingability of concrete, making it less likely to occur and layered during the pumping process of concrete.
- Reduce concrete water and gray ratio. Polycarboxylate ether superplasticizer can form a decentralized adsorption film in the concrete, reducing the contact between water and cement particles, thereby reducing the concrete water and gray ratio. By reducing the water and gray ratio, the strength and durability of the concrete can be improved. In addition, reducing the water -grade ratio can also reduce the contraction and cracking of concrete, and improve the anti -penetration performance of concrete.
- Improve the early intensity of concrete. They can promote the hydration response of cement particles and accelerate the early intensity development of concrete. By adding an appropriate amount of water reducing agent, the concrete can obtain higher intensity in the early days, shorten the maintenance time, and improve the construction efficiency. In addition, water reduction agents can also improve the frost resistance and durability of concrete.
- Save cement dosage. Polycarboxylate water reducer can significantly reduce the amount of cement dosage of concrete and save costs. By adding an appropriate amount of water reducing agent, you can reduce the amount of cement without reducing the strength of the concrete to achieve the purpose of saving costs. In addition, reducing cement dosage can also reduce environmental pollution.
- Improve the crack resistance of concrete. The polycarboxylate based superplasticizer can improve the crack resistance of concrete. After adding an appropriate amount of water reducing agent in concrete, the internal structure of the concrete can be improved and the contraction and cracking of concrete can be reduced. In addition, water reduction agents can also improve the ductility and toughness of concrete and increase the crack resistance of concrete.
