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Polycarboxylate Superplasticizer Powder

Custom Polycarboxylate Superplasticizer Powder Manufacturer

Zibo Zhuoxing Enterprises Co., Ltd was established in 2008 and has been exporting TPEG, HPEG, EPEG, 50% polycarboxylate water reducer liquid and polycarboxylate water reducer powder to many countries since 2015.

Strong Production Ability

The company currently has a full set of production lines from HPEG to PCE high-efficiency water reducers. The annual production capacity is 80,000 tons and the output is 72,000 tons. The total annual PCE production capacity is 100,000.00 tons.

 

Quality Control

The company has passed ISO9001 quality management system certification. We conduct raw material inspection upon entry to ensure qualification for production, effectively control the whole production process to meet requirements, and sample test each batch before delivery.

Professional Team

The company is privileged to have a professional export team. Our R & D team, which consists of a group of highly qualified and experienced experts, maintains close and fruitful communication with renowned scientific research institutes consistently.

Rich Experience

As one of the two earliest manufacturers of TPEG/HPEG in China, after 16 years of continuous research, we have solved many professional needs of domestic and foreign customers in the field of PCE high-efficiency water reducers.

 

Definition of Polycarboxylate Superplasticizer Powder

 

Polycarboxylate superplasticizer powder is an innovative and advanced construction material additive designed to optimize the performance of concrete and mortar mixes. It is a fine, free-flowing powder that is highly soluble in water, making it easy to handle and disperse in construction applications. This superplasticizer is specifically formulated with polycarboxylate-based polymers, which offer exceptional benefits to enhance the properties of concrete and mortar.

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Features of Polycarboxylate Superplasticizer Powder

 

High Water Reduction
PCS allows for a significant reduction in the water-to-cement ratio in concrete mixes. This results in improved strength, durability, and reduced permeability without sacrificing workability.

 

Enhanced Workability
One of the primary benefits of PCS is its ability to enhance the workability of concrete. It provides better flow and increased slump retention, making the concrete easier to handle, place, and finish. This is particularly valuable in applications like ready-mix concrete and self-compacting concrete.

 

Improved Strength Development
By reducing the water content in the concrete mix, PCS contributes to the development of higher compressive and flexural strengths. This is essential for applications where increased strength is a primary requirement, such as in high-strength and high-performance concrete.

 

Better Cohesion and Segregation Resistance
Polycarboxylate superplasticizers improve the cohesion of concrete mixes, preventing segregation and ensuring a more uniform distribution of aggregates. This results in a more homogenous and well-compacted structure.

 

Compatibility with Various types of cement
PCS is known for its compatibility with a wide range of cement types, including ordinary Portland cement, blended cementscement, and other specialty formulations. This versatility makes it suitable for different construction applications.

 

Reduced Permeability
The use of PCS can lead to reduced permeability in concrete, providing better protection against water ingress, chemical attack, and environmental factors. This is particularly beneficial in structures where durability is a critical consideration.

 

Enhanced Setting Time Control
Polycarboxylate superplasticizers offer improved control over the setting time of concrete. This allows for flexibility in construction schedules and facilitates better coordination in projects where precise timing is crucial.

 

Environmentally Friendly
The reduced water content achieved with PCS contributes to a more sustainable and environmentally friendly construction process. It helps minimize the environmental impact associated with excessive water use and promotes the use of efficient concrete mixes.

 

Long-Term Durability
The improved strength, reduced permeability, and better overall performance of concrete mixes with PCS contribute to long-term durability. This is especially important in structures where longevity and resistance to deterioration are critical factors.

 

Versatility in Applications
PCS is suitable for various concrete applications, including pre-cast concrete production, ready-mix concrete, self-compacting concrete, and other specialized constructions. Its versatility makes it a valuable admixture for a wide range of projects.

 

Types of Water Reducers

 

Superplasticizers

High-range water reducers that comply with ASTM standards. They provide consistency across air entrainment and cement chemistries. They can also produce high slump at low dosages.

01

Mid-Range Water Reducers

These concrete admixtures provide superior placeability and finishing for flatwork in commercial and high-end residential construction.

02

Water Reducers

This set of water reducers provides superior water reduction, compressive strength, and set time control. They work synergistically with other polycarbonate-based mid- and high-range water reducers.

03

Organic Water Reducers

Organic water reducers are made with modified lignosulfonates containing a catalyst which promotes more complete hydration of Portland cement.

04

Clay Mitigators

These mid-range water-reducing admixtures mitigate the deleterious effects of swellable clays, permitting the use of polycarboxylate-based admixtures while maintaining the many benefits that polycarboxylate-based admixtures bring to concrete.

05

 

Powder Admixture Polycarboxylate Superplasticizer

 

Application of Polycarboxylate Superplasticizer Powder

Precast and Cast-In-Place Concrete in Various Fields.
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, etc. It is especially suitable for projects that require a long construction time for preparing concrete and high requirements for maintaining concrete slumps, such as nuclear power projects.

 

White Water-Soluble Powder with Excellent Dispersing Ability.
PCE chemical is a high-performance polycarboxylate superplasticizer powder specially used in high-aluminum and sulphur-aluminum cement systems. It is a white water-soluble powder. It has very excellent dispersing ability. SNF powder can significantly improve the fluidity of cement-based materials, endow the material with excellent workability and high mechanical strength. It also has a very fast plasticizing speed. After mixing it with water, it can quickly play a role, significantly improve construction efficiency, and meet different construction requirements.

 

Can be Compounded with Various Admixtures
Polycarboxylate-based superplasticizer can be compounded with various admixtures to form a multifunctional admixture, such as pumping agent, early strength agent, impermeable waterproofing agent, retarder, etc.

 

Widely Used in Dry Mortar and Concrete
Polycarboxylate superplasticizer powder has excellent adaptability, especially suitable for sulphur-aluminum, high-aluminum and gypsum systems. It can be widely used in various products systems such as dry mortar and concrete. It is especially suitable for the preparation of various high-end value-type mortar products and concrete products, such as surface self-leveling mortar, bearing mortar, etc.

 

Precautions of Polycarboxylate

 

 

Dosage

The common dosage is 0.1-0.5% of the cement materials. The most suitable dosage should be based on the conditions of project materials, ambient temperature, the requirements of construction, etc., and tested on-site.

 

Mixing

The product should be poured into a cement mixer concurrently with cement, sand, gravel and other project materials. Do not dissolve it in water beforehand or add it to wet sand or gravel directly. The mixing time should be based on the homogeneity of the mixture.

 

Compounding

The product can be compounded with retarders, accelerators, and other admixtures, but can’t be with naphthalene, amino sulfonate, or aliphatic high-range water reducers. A compatibility test should be performed before compounding with other functional admixtures.

 

 

How to Use Polycarboxylate Superplasticizer Powder

 

Dosage Range and Adjustment
The recommended dosage range of polycarboxylic acid water reducing agent is 0.5%-1.6%, special cement or aggregate can adjust the dosage range appropriately.

 

Mixing Method and Time
It can be mixed with measured water and added into the concrete mixer at the same time with water. To achieve a good water-reducing effect, we recommend that the mixing time is at least 150s150.

 

Trial Mix Test Requirements
When using this product for the first time or changing the cement variety, the necessary trial mix test should be carried out according to the site raw materials and construction conditions, and the mixing quantity and construction ratio should be determined according to the test Ensure the results of concrete quality.

 

Importance of Controlling Water and Dosage
Because of the high water reduction rate of the PCE water-reducing agent, its concrete slump is very sensitive to water consumption, and the water consumption and dosage must be strictly controlled when using.

 

Incompatibility with Other Reducing Agents
The polycarboxylate powder should not be mixed with naphthalene, melamine, amino and other water-reducing agents, otherwise, the performance index will be significantly reduced.

 

 

Factors Affecting the Performance of Polycarboxylate Superplasticizer Powder

Use Environment
The dosage of powdered polycarboxylic acid water reducer will be affected by the use environment. In high temperature seasons, because the evaporation rate of concrete is fast, in order to ensure the working performance of concrete, the dosage of water reducer needs to be appropriately increased. In low temperature seasons, in order to prevent early solidification of concrete, the dosage of water reducer needs to be appropriately reduced.

 

Concrete Mix Ratio
The dosage of powdered polycarboxylic acid water reducer is closely related to the mix ratio of concrete. Generally speaking, the thicker the mix ratio, the greater the dosage. However, if the dosage is too large, it will affect the working performance of concrete, such as reducing the durability and frost resistance of concrete.

 

Water-Cement Ratio
The water-cement ratio also has a certain influence on the dosage of powdered polycarboxylic acid water reducer. Generally speaking, the lower the water-cement ratio, the greater the dosage. However, if the dosage is too large, it will affect the strength and durability of concrete.

Polycarboxylate Superplasticizer Cement

 

 
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Frequently Asked Questions
 

 

Q: What is polycarboxylate powder used for?

A: It is widely used in fluid mortars, such as fluid mortar for pouring, paving, and painting. Besides, it is also commonly used in concrete, including premixed concrete, pump concrete, self-compacting concrete, and many other concretes with high strength and performance.

Q: What is polycarboxylate used for?

A: Polycarboxylates are used as builders in detergents. Their high chelating power, even at low concentrations, reduces deposits on the laundry and inhibits the crystal growth of calcite. Polycarboxylate ethers (PCE) are used as superplasticizers in concrete production.

Q: How do you mix superplasticizer in concrete?

A: If your mix is too fluid or showing signs of segregation, simply sprinkle about 1/8 teaspoon (about 1/2 gram) into your mix, mix for 30 seconds, and observe the viscosity. Add more very gradually if needed. If the mix becomes too stiff, you can counteract the effects of the VMA with superplasticizer.

Q: Which superplasticizer is best for concrete?

A: If you're working on a high-strength concrete project, you are going to need an extra powerful superplasticizer. These products offer up to 40% water reduction.

Q: What is the purpose of plasticizer in concrete?

A: A plasticiser is a substance or material added to concrete to make it softer, improve workability and strength, and reduce water requirements. Plasticisers are available in two forms: mineral admixtures, like fly ash, and chemical admixtures, like Superplasticisers.

Q: What is polycarboxylate ether used for in concrete?

A: PCEs are commonly used in the production of ready-mix concrete, self-compacting concrete, and precast concrete, as well as in the production of dry mortars like self-leveller, flowing screeds and grouts.

Q: What is superplasticizer used for?

A: Superplasticisers are commonly used in dry-pressed concrete to improve the workability and to enhance the compaction of concrete for increasing density and to improve the surface finish of the concrete product.

Q: What is the biggest advantage of polycarboxylate cement?

A: A major advantage with polycarboxylate cements is the lack of postoperative sensitivity; the pH of application and setting are higher (closer to pH 7) than that of zinc phosphate.

Q: Is cement compatible with superplasticizer?

A: The existing literature survey suggests that a very high range water reducer or superplasticizers can make a cementitious mix flowable at a low water-cement ratio without segregation and bleeding - the most basic principle of a fresh cementitious mix.

Q: How do you mix superplasticizer in concrete?

A: If your mix is too fluid or showing signs of segregation, simply sprinkle about 1/8 teaspoon (about 1/2 gram) into your mix, mix for 30 seconds, and observe the viscosity. Add more very gradually if needed. If the mix becomes too stiff, you can counteract the effects of the VMA with superplasticizer.

Q: How is polycarboxylate made?

A: Polycarboxylate superplasticizer is mainly prepared by the reaction of polyether macromonomer with the acrylic acid containing hydrophilic group in unsaturated double bonds and its derivatives.

Q: What happens when you add too much superplasticizer?

A: The results show that an excess dosage of superplasticizer helps to achieve increased workability, causes a decrease in abrasion resistance and has no decisive effect (good or bad) on the compressive, flexural and tensile splitting strengths of HVFA concrete mixes.

Q: What is the working principle of polycarboxylate superplasticizer?

A: Polycarboxylic acid substances are adsorbed on the surface of cement particles, and the carboxylate ions give the cement particles a negative charge, thereby generating electrostatic repulsion between the cement particles and dispersing the cement particles, resulting in inhibition of the coagulation tendency of the cement paste (DLVO theory), increasing the contact area between cement particles and water, and fully hydrating the cement.

Q: What are the properties of polycarboxylate superplasticizers?

A: Polycarboxylate superplasticizer is a kind of surfactant containing carboxyl grafted copolymer in molecules, and its unique molecular structure gives it many unique advantages, such as low dosage, and a high water reduction rate.

Q: Can superplasticizers be used to produce high-performance concrete?

A: Polycarboxylate copolymers are the most effective among all superplasticizers. These materials can result in as high as 40% reduction in the water content. Thus, they are perfect for making high- and ultra-high-strength concrete with a water/cement ratio as low as 0.20.

Q: How does a superplasticizer increase workability?

A: Superplasticizers are used when well-dispersed cement particle suspensions are required to improve the flow characteristics (rheology) of concrete. Their addition allows for a decrease in the water-to-cement ratio of concrete or mortar without negatively affecting the workability of the mixture.

Q: What is the effect of superplasticizer on slump?

A: Superplasticizers, when added to fresh concrete, cause large increases in its slump. However, this increase in slump is not sustained over long periods and within 60 minutes or so the concrete reverts to its original slump.

Q: What is the composition of superplasticizer?

A: Superplasticizers are synthetic polymers. Compounds used as superplasticizers include (1) sulfonated naphthalene formaldehyde condensate, sulfonated melamine formaldehyde condensate, acetone formaldehyde condensate and (2) polycarboxylates ethers.

Q: What is the principle of superplasticizer?

A: Superplasticizer admixtures, or high-grade water reducers, are a type of admixture similar to plasticizers. It is added to concrete to help reduce the water content in concrete by 12% to upwards of 30% and help increase its workability.

Q: What is the advantage of superplasticizer?

A: Superplasticisers are commonly used in dry-pressed concrete to improve the workability and to enhance the compaction of concrete for increasing density and to improve the surface finish of the concrete product.

As one of the most professional polycarboxylate superplasticizer powder manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy polycarboxylate superplasticizer powder made in China here from our factory.

PCE Superplasticizer Powder, Water Reducer Superplasticizer Powder, Water Reducing Agent

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