Fast-Setting Power Microsilica Gel Additive
Power Microsilica Gel
Fast Harden
PGS400-F
Superplasticizer and Waterproofing Gel Additive with Accelerating Set Properties
What is Fast-Setting Power Microsilica Gel Additive?
The Fast-Setting Power Microsilica Gel Additive is an advanced and powerful product, developed as the most sophisticated and potent offering among super pozzolanic microsilica products. It is formulated with a primary base of polycarboxylate ether and microsilica, along with other components like fillers, water repellents, set accelerators, and polypropylene fibers. The Fast-Setting Power Microsilica Gel Additive requires a smaller dosage and provides a higher water-reducing effect compared to other microsilica products. By adding this product to the mix, the workability and slump of the concrete will improve, enhancing the rheological properties of the concrete in its plastic state. Ultimately, the hardened concrete will have superior mechanical and electrical properties. The higher fluidity of the Fast-Setting Power Microsilica Gel Additive allows better dispersion of microsilica, catalysts, and water-repelling agents within the mix, resulting in a more balanced and improved paste texture that, once hardened, becomes more dense, cohesive, and impermeable. In addition to these properties, this additive accelerates the hydration process, enabling faster set times for the concrete.
In general, this gel consists of polycarboxylate ether, microsilica, and other additives. This product is particularly beneficial in cold climates and areas where concrete performance is critical. It is a versatile and powerful additive used in modern construction to enhance the performance of concrete and other cementitious materials.
Mechanism of Action of Fast-Setting Power Microsilica Gel Additive
How does the Fast-Setting Power Microsilica Gel Additive work?
The microsilica present in the formulation of the Fast-Setting Power Microsilica Gel Additive is a powerful pozzolanic material that can serve as an effective replacement for cement and behaves similarly to it. When mixed with water and calcium hydroxide, it reacts to produce calcium silicate hydrate, which plays a significant role in the hardening process and in increasing the strength of concrete. Additionally, the polycarboxylate ether in the formulation acts as a superplasticizer, forming a membrane around the cement particles. The spatial hindrance due to the polymer layer prevents the cement particles from aggregating, and electrostatic repulsion between similarly charged particles helps to fluidize the concrete. The polypropylene fibers in the Fast-Setting Power Microsilica Gel Additive also improve the mechanical and wear-resistant properties of the concrete. The accelerators present in the formulation accelerate the hydration of cement and shorten the set time, enabling early-age compressive strength development.
Properties and Effects of Fast-Setting Power Microsilica Gel Additive
What effects and properties does the Fast-Setting Power Microsilica Gel Additive provide?
- Prevents cracking in the concrete.
- Reduces water-to-cement ratio by up to 25%.
- Accelerates the initial set time of concrete.
- Compatible with various types of Portland cement.
- Prevents bleeding and aggregate segregation.
- Enhances compressive, tensile, and flexural strength.
- Reduces cement content by approximately 15-20%.
- Increases the durability and resistance of concrete in freeze-thaw cycles.
- Achieves early-age compressive strength.
- Facilitates easy pumping of concrete and reduces wear on concrete pumping equipment.
- Produces a uniform and homogeneous concrete mix.
- Improves exposed surface finishes.
- Increases the workability of concrete without the need for additional superplasticizer.
- Cost-effective due to low dosage.
- Compensates for the lack of fine fillers, improving paste texture.
- Reduces the risk of damage due to improper curing during the early stages.
- Decreases permeability to water, chloride ions, and sulfate attacks.
Applications of Fast-Setting Power Microsilica Gel Additive
What are the main applications of the Fast-Setting Power Microsilica Gel Additive?
- Suitable for concrete exposed to freeze-thaw cycles.
- Ideal for concrete pours in cold climates.
- Can be used in concrete subjected to severe dynamic loads.
- Suitable for large-scale concrete pours.
- Compatible for both reinforced and non-reinforced concrete.
- Effective for concrete exposed to explosive environments.
- Suitable for producing waterproof and impermeable concrete.
- Ideal for concrete with high reinforcement density.
- Used for high-strength and durable concrete production.
- Suitable for concrete applications where the reduction of element dimensions is required.
- Effective for constructing wear-resistant and abrasion-resistant structures.
- Suitable for producing concrete for piers, reservoirs, dams, and bridges.
- Used for making concrete for tunnels, water transport channels, treatment plants, and reservoirs.
- Ideal for producing industrial flooring concrete.
- Suitable for concrete pours in areas attacked by chemicals and corrosive materials.
Physical and Chemical Properties of Fast-Setting Power Microsilica Gel Additive
What are the physical and chemical properties of the Fast-Setting Power Microsilica Gel Additive?
- State: Paste
- Color: Gray
- Specific Gravity: 2.0 g/cm³
- Chloride ions: None
Standards for Fast-Setting Power Microsilica Gel Additive
According to which international standards is the Fast-Setting Power Microsilica Gel Additive manufactured?
- ASTM C1202
- BSEN 12390
Dosage of Fast-Setting Power Microsilica Gel Additive
What is the recommended dosage of the Fast-Setting Power Microsilica Gel Additive?
The dosage of the Fast-Setting Power Microsilica Gel Additive is determined based on precise laboratory studies. Typically, the recommended amount is 1 to 3 percent by weight of the cement content. For achieving high compressive strength and producing high-performance concrete, it is important to reduce 20-25% of the mixing water before adding this additive. The use of this additive can also reduce the cement content in the concrete mix. Overuse of this product can increase the set time excessively and create weaknesses in the hardened concrete.
Application Method of Fast-Setting Power Microsilica Gel Additive
How should the Fast-Setting Power Microsilica Gel Additive be applied?
There are two main methods for adding the Fast-Setting Power Microsilica Gel Additive to concrete:
- Mix it with all or part of the mixing water and then add it to the dry materials and blend thoroughly.
- Add it after all the other components have been incorporated into the mix.
Note: Ensure a minimum mixing time of 1 minute per cubic meter of concrete.
Note: Excessive use of this product can result in an overly fast set time and negatively affect the final properties of the concrete.
Safety Considerations for Fast-Setting Power Microsilica Gel Additive
What safety precautions should be taken when using the Fast-Setting Power Microsilica Gel Additive?
- This product is not toxic or environmentally hazardous.
- If swallowed, seek medical attention immediately.
- In case of contact with skin or eyes, rinse thoroughly with clean water.
- Always wear safety gloves, goggles, and a mask when handling any chemicals.
Storage of Fast-Setting Power Microsilica Gel Additive
What are the storage conditions for the Fast-Setting Power Microsilica Gel Additive?
- Shelf life: One year in its original packaging.
- Store away from freezing temperatures, excessive heat, and direct sunlight.
- Ideal storage temperature: Between 10°C and 30°C.
Packaging of Fast-Setting Power Microsilica Gel Additive
How is the Fast-Setting Power Microsilica Gel Additive packaged?
- Packaging: 25 kg bucket
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