Concrete Super Plasticizer

Concrete Super Plasticizer

Fast Harden
PF44

A powerful plasticizer and water-reducing agent with rapid setting properties.

Fast-Setting Concrete Super Plasticizer

What is Fast-Setting Concrete Super Plasticizer?

Fast-setting concrete super plasticizer is a liquid additive based on polynaphthalene sulfonate, which not only improves the workability of concrete and significantly reduces the water content but also accelerates the setting time and increases both early and final strength in a shorter period. This product is designed for concrete casting in cold weather conditions, enabling the achievement of desired early strengths. It accelerates the setting and hydration process, making it especially useful when casting concrete in winter conditions. It is also compatible with various types of Portland cement.

This product is a high-performance water reducer used in concrete. By dispersing fine particles, such as cement, it enhances the workability of the concrete. It also allows the concrete to be more fluid and easily pumpable. It is crucial to add this product at the right time during mixing.

Mechanism of Action of Fast-Setting Concrete Super Plasticizer

How does the Fast-Setting Concrete Super Plasticizer improve the performance of concrete?

When water and cement are mixed, the molecules of the super plasticizer based on polynaphthalene sulfonate create a charged film around the cement particles. This repels the particles from each other, thereby improving the workability of the concrete. Additionally, the sulfonate prevents the dissolution of ions such as aluminates, which have the highest solubility during the hydration process. Furthermore, the formulation of the fast-setting super plasticizer includes substances that accelerate the cement hydration process.

How to Identify a Quality Fast-Setting Super Plasticizer?

A high-quality fast-setting super plasticizer should have a viscosity similar to oil, easily identifiable by touch. It should not have any suspended or settled particles, and the product should be uniform in appearance, dark brown in color. Ensure that the super plasticizer has a controlled setting acceleration as specified by the manufacturer.

Properties and Effects of Fast-Setting Concrete Super Plasticizer

What properties and effects does the Fast-Setting Concrete Super Plasticizer impart to concrete?

• Compatible with various types of Portland cement
• Increases slump and workability of the concrete
• Accelerates initial setting time
• Increases cohesion and reduces permeability
• Increases compressive and flexural strength
• Enhances durability and longevity of the concrete
• Facilitates easy pumping and pumpability
• Allows earlier use of concrete structures
• Reduces wear on concrete mixing equipment
• Reduces water-to-cement ratio by 10 to 15 percent
• Achieves early compressive strength

Applications of Fast-Setting Concrete Super Plasticizer

What are the primary uses of the Fast-Setting Concrete Super Plasticizer?

• Concrete pouring in cold weather and cold regions
• Used in ready-mix concrete plants for faster utilization
• Ideal for producing strong and durable concrete
• Suitable for concrete casting of structural elements
• Suitable for slip-form concrete pouring
• Can be used for pouring concrete with high reinforcement density
• Ideal for large-volume concrete pouring
• Suitable for post-tensioned and pre-tensioned systems

Physical and Chemical Properties

What are the physical and chemical properties of the Fast-Setting Concrete Super Plasticizer?

• Form: Liquid
• Color: Brown
• Specific Gravity: 1.12 gr/cm³
• Chloride Ion: None
• Standard: ASTM C494

Consumption Rate of Fast-Setting Concrete Super Plasticizer

What is the recommended consumption rate of the Fast-Setting Concrete Super Plasticizer?

The exact consumption rate depends on laboratory testing, climatic conditions, and the type of materials used. The typical range of usage is between 1 to 1.5% of the cement weight in concrete. Overuse is not recommended, as excessive use can accelerate the setting time too much, leading to insufficient development of concrete properties.

Price of Fast-Setting Concrete Super Plasticizer

Avoid making price the only determining factor when purchasing the fast-setting super plasticizer. Lower-priced products may not be effective or may require higher quantities, which can introduce more water into the concrete, weakening its strength. It’s important to ensure that no harmful acids were used in the production of the super plasticizer.

Usage Instructions for Fast-Setting Concrete Super Plasticizer

How to use the Fast-Setting Concrete Super Plasticizer?

Calculate the required amount of super plasticizer based on the cement weight, and dilute it with twice the volume of the water used in mixing the concrete. Gradually add the diluted additive to the concrete while it is being mixed. It is recommended to mix for at least 1 minute per cubic meter of concrete. The super plasticizer can be added to the concrete mix during production in a batching plant or truck mixer. Never add the super plasticizer directly to dry cement.

Safety of Fast-Setting Concrete Super Plasticizer

What safety precautions should be taken when using Fast-Setting Concrete Super Plasticizer?

• It is not classified as toxic, flammable, or environmentally hazardous.
• If skin irritation occurs, consult a doctor.
• Use protective gloves, goggles, and a mask during application.
• In case of eye contact, rinse immediately with plenty of clean water.

Storage of Fast-Setting Concrete Super Plasticizer

How should the Fast-Setting Concrete Super Plasticizer be stored?

• Shelf Life: 1 year in its original packaging.
• Storage Conditions: Store away from freezing temperatures, excessive heat, and prolonged exposure to direct sunlight.
• Ideal Storage Temperature: Between +10°C and +30°C.

Packaging of Fast-Setting Concrete Super Plasticizer

What are the packaging options for the Fast-Setting Concrete Super Plasticizer?

• 20-liter cans
• 220-liter drums
• 1000-liter containers