Concrete Plasticizer LR225

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Concrete plasticizers

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Concrete Plasticizer LR225 is one of the key admixtures in the construction industry, used to improve the workability and flowability of concrete. This product is specifically designed to reduce the water-to-cement ratio, resulting in concrete that is not only more fluid but also has improved final quality and strength. By using this plasticizer, engineers and contractors can place concrete into formworks more accurately and prevent cracks and surface defects.

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Properties and Effects of Concrete Plasticizer LR225

Prevents bleeding and segregation of aggregates
Suitable for use in thin and heavily reinforced formworks
Increases slump value and concrete flowability
Water-reducing agent
Reduces cement content
Improves compressive strength and concrete cohesion
Enables concrete pumping
Can be used alongside materials such as microsilica, fly ash, and other pozzolanic materials

Applications of Concrete Plasticizer LR225

Thanks to its unique properties, this concrete plasticizer offers a wide range of uses, including:

Execution of prestressed and post-tensioned concrete
Various concrete placements under normal weather conditions
Concreting in sections with dense reinforcement
Projects requiring water reduction to lower permeability
Casting and concreting of all structural elements
Production of pumpable concrete
Manufacturing of concrete bricks and blocks
Concrete production using crushed aggregate
Increasing the adhesion of materials in concrete with poor grading

Safety and Handling Instructions for Concrete Plasticizer LR225

When using LR225, just like with other chemical admixtures and waterstops, safety guidelines must be strictly followed:

To avoid direct contact or inhalation, always use suitable safety glasses, gloves, and masks.
Ensure the product does not come into contact with eyes; if it does, rinse immediately with plenty of water.
In case of allergic reactions or skin irritation, seek medical attention.
Store LR225 out of the reach of children and pets.

By following these guidelines, you can use the superplasticizer with confidence.

Storage Guidelines for Concrete Plasticizer LR225

Shelf life: Store in its original packaging for at least one year.
Conditions: Protect from frost, extreme heat, and direct, prolonged sunlight. Keep in a cool, moderate environment.
Temperature: Optimal storage temperature is between +10 °C and +30 °C.

Following these rules ensures long-term quality preservation of Zorlu Chem’s LR225.

Packaging of Concrete Plasticizer LR225

Carboxylate-based LR225 is typically supplied in three packaging types:

20 L jerry can
220 L drum
1000 L IBC tank

Standards for Concrete Plasticizer LR225

ASTM C494
ASTM C1017/C1071M
ISIRI 2930

Physical and Chemical Properties of Concrete Plasticizer LR225

Physical state: Liquid
Flammability: Non-flammable
Color: Honey-colored
Specific gravity: 1.06 g/mL
Solubility: Soluble in water
Chloride ion content: In accordance with INSO 12930 standard

Method of Application for Concrete Plasticizer LR225

The correct method of using this product is as follows:

The dosage of the concrete plasticizer is calculated based on the cement content of the mix and is diluted with twice its volume of concrete mixing water. The diluted admixture should be gradually added to the concrete during mixing. It must be blended evenly and slowly into the mix. Alternatively, LR225 can be added to the prepared concrete mix, and the concreting process should begin after thorough mixing. It is recommended to mix for at least one minute per cubic meter of concrete.

Additionally, the plasticizer can be added during concrete production either directly into the truck mixer or at the batching plant.

In general, care should be taken not to pour the normal concrete plasticizer directly onto dry cement in order to maintain optimal performance and effectiveness of the admixture.