Long-lasting carboxylate concrete superplasticizer
Description
Long-lasting carboxylate concrete superplasticizer
The structure of the molecules that make up the softener based on polycarboxylate ether is created from a main branch and several sub-branches. By adding polycarboxylate ether to the concrete mixture or cement mortar, a charged layer consisting of polycarboxylate ether molecules surrounds the cement grains and this causes the cement particles to repel each other inside the concrete mixture or mortar.
properties and effects
- It has the ability to reduce the consumption of cement in the concrete mix
- Preventing the creation of cold joint phenomenon in concrete
- Reduction of concrete shrinkage and creep
Application
- It has the ability to produce injection concrete
- It is suitable for producing strong and strong concrete
- It has the ability to implement pumpable concrete
Technical specification table:
| state of | liquid |
| color | Honey brown |
| Special Weight | gr/cm 1/13 |
| Standard | ASTM C494 – ASTM C1017 |
| Chlorine ion | Doesn’t have |
| PH | About 7 |
Package:
20 liter gallon
Product Description – Delayed setting carboxylated concrete superplasticizer
Delayed setting carboxylate concrete superplasticizer is a powerful product with the ability to reduce concrete mixing water and increase concrete workability, which is produced and offered based on the latest and most developed formulation. This product has long side chains that cause uniform distribution of cement particles in concrete. Delayed setting carboxylate concrete superplasticizer increases concrete workability by controlling the setting time of concrete and leads to higher initial strength and higher long-term strength increase. This product is suitable for high-volume concreting, transporting concrete over long distances and concreting in hot weather conditions. Concrete superplasticizer is a very strong reducer of concrete mixing water and a very strong increaser of high-performance concrete workability and significantly improves the dispersion of cement particles in the mixture. The use of this product is strongly emphasized for the requirements of making special concretes (self-leveling and self-compacting) and concretes whose regulatory requirements are to minimize the water-to-cement ratio or in special conditions where the slump loss cannot be compensated with other superplasticizers. Due to the significant reduction in the water-to-cement ratio, carboxylate concrete superplasticizer increases the resistance and reduces the permeability of concrete against the penetration of destructive chemicals, and as a result, increases the durability and reliability of concrete.
Delayed setting carboxylate concrete superplasticizers are additives used in concrete mixtures to increase the performance and efficiency of concrete. This superplasticizer, like other additives, can significantly reduce the amount of mixing water required for concrete. This superplasticizer plays an important role in achieving the desired properties of concrete such as strength, workability, and durability.
This concrete lubricant is used for situations where more time is needed to work with concrete, long-term transportation, or concreting at high temperatures. Also, in situations where concreting is done at high temperatures, rapid setting can lead to thermal cracking, which this super lubricant can reduce the risk of cracking by slowing down the setting speed.
Packaging of delayed-setting carboxylated concrete superplasticizer
What is the packaging form of the delayed setting carboxylate concrete superplasticizer?
20 liter gallon
Standard consumption rate of delayed-setting carboxylate concrete superplasticizer
What is the standard consumption rate of delayed-setting carboxylated concrete superplasticizer?
The best amount to use to obtain specific specifications is determined by conducting various tests in workshop conditions. This characteristic depends on various factors such as ambient temperature, type and size of aggregates, cement grade, water to cement ratio, etc. However, the normal amount of superplasticizer consumption is usually from 0.2 to 0.8 percent of the weight of the cement used. It should be noted that the amount of delayed setting of concrete will change depending on the dosage of the delayed setting carboxylate concrete superplasticizer.
Maintenance of long-lasting carboxylated concrete superplasticizer
How to properly maintain long-lasting carboxylated concrete superplasticizer?
Principles of maintenance of delayed setting carboxylate concrete superplasticizer;
Duration: One year in original packaging.
Conditions: Away from cold and frost, heat and direct and prolonged sunlight.
Best storage temperature: +10 to +30 degrees
How to use delayed-release carboxylate concrete superplasticizer
What is the correct way to use the carboxylated superplasticizer for delayed-setting concrete?
- The delayed-release carboxylate concrete superplasticizer can be added to the batching or truck mixer during concrete production.
- The amount of carboxylated superplasticizer for delayed setting concrete calculated according to the grade of concrete should be diluted with 2 times the volume of concrete mixing water. The diluted admixture should be gradually added to the concrete during mixing.
- This product can be added to the ready-mixed concrete and after complete mixing, concrete can be placed. It is recommended to mix for at least 1 minute per cubic meter of concrete.
Note that the delayed-setting carboxylate concrete superplasticizer additive should not be poured directly onto dry cement.
Properties and effects of delayed setting carboxylate concrete superplasticizer
What properties and effects does the delayed-setting carboxylate concrete superplasticizer create in concrete?
- Reducing cement consumption in concrete mix
- Possibility of reducing the water-cement ratio (about 30%)
- Reducing shrinkage and creep of concrete
- Increasing the initial and ultimate compressive strength of concrete
- Preventing the formation of cold joints in concrete
- Forming beautiful or exposed concrete
- Possibility of producing and transporting concrete over long distances
- Producing concrete with higher strength than conventional concrete
- Increasing density and reducing permeability of concrete
- Increased initial setting time to control rapid setting in hot weather
- Increasing concrete integrity and reducing aggregate segregation
Application of delayed setting carboxylate concrete superplasticizer
What are the main applications of delayed-setting carboxylate concrete superplasticizer?
- Making concrete with suitable performance for concreting in hot climates
- Suitable for large-scale concreting
- Production of exposed or attractive concrete
- Possibility of manufacturing and transporting concrete over long distances
- Suitable for producing architectural concrete
- Can be used in precast concrete
- Possibility of implementing pumpable concrete
- Suitable for producing strong and high-strength concrete.
- Suitable for concreting tunnel and sliding forms, etc.
- Possibility of producing injected concrete
Physical and chemical characteristics of delayed setting carboxylate concrete superplasticizer
What are the physical and chemical properties of the delayed-setting carboxylate concrete superplasticizer?
| Title | Feature |
| Mode | Liquid |
| Color | Honey brown |
| Specific gravity | 13/1gr/cm3 |
| Standard | ASTM C494 – ASTM C1017 |
| Chlorine ion | No |
| PH | About 7 |
Mechanism of action of the delayed-setting carboxylate concrete superplasticizer product
What is the mechanism of action of the delayed-setting carboxylated concrete superplasticizer product?
The structure of polycarboxylate ether-based plasticizer molecules consists of a main branch and several sub-branches. By adding polycarboxylate ether to the concrete or cement mortar mixture, a charged layer of polycarboxylate ether molecules fills the area around the cement grains, which repels cement particles from each other into the concrete or mortar mixture. In principle, the spatial separation of the sub-branches of the polycarboxylate ether material repels the particles, and the hydrophobic force in the main branch of this material attracts large molecules to the cement particles, thus placing water molecules at a greater distance from the cement particles in the mixture, which makes the concrete or mortar mixture fluid. After a certain period of time, the charges created in the concrete mixture are lost due to reverse induction, causing the concrete slump to decrease and the cement hydration process to begin, and the concrete and mortar setting process to begin. In addition to fluidity, the formulation of the carboxylate superplasticizer for delayed-setting concrete uses retarding materials that, by maintaining the efficiency of concrete in a paste state, control and delay the setting of concrete, resulting in more desirable compressive strength.
Safety of delayed-setting carboxylated concrete superplasticizer
What are the proper safety conditions when using delayed-setting carboxylate concrete superplasticizer?
Safety principles of delayed setting carboxylate concrete superplasticizer;
- This material is not toxic, dangerous, or flammable.
- This product should never come into contact with the eyes. If it does come into contact with the eyes, rinse immediately with plenty of water. If skin irritation occurs, consult a doctor.
- Wear appropriate glasses, gloves, and a mask when using.
Standard for delayed setting carboxylated concrete superplasticizer
According to which standards is the carboxylated concrete superplasticizer produced?
ASTM C494 – ASTM C1017
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