Micro Silica

Introducing Symphony Tradecomm Pvt Ltd and Our 85D Microsilica

At Symphony Tradecomm Pvt Ltd, a family-owned company that values relationships above all, we have been a leading supplier of Micro Silica since 2019. Our high-quality 85D microsilica is trusted across India and internationally in Nepal, Bangladesh, and Sri Lanka. With state-of-the-art facilities in Raipur and Kolkata, we are dedicated to delivering excellence in construction materials. Our commitment to quality and customer satisfaction has positioned us as a reliable partner in the industry, helping to enhance the strength and durability of concrete in diverse projects.

Advantages of Our 85D Microsilica

Using Symphony Tradecomm Pvt Ltd's 85D Microsilica in your construction projects offers several key benefits:

Stronger Concrete

Our 85D Microsilica makes concrete much stronger, which is essential for buildings and structures that need to withstand heavy loads.

Long-lasting Durability

Concrete with 85D Microsilica lasts longer and can handle tough conditions better, reducing the need for frequent repairs.

Less Water Absorption

85D Microsilica fills the tiny gaps in concrete, making it less likely to absorb water and chemicals, which helps prevent damage.

Chemical Protection

Concrete mixed with 85D Microsilica resists damage from harsh chemicals, making it ideal for industrial areas and coastal regions.

Better Mix Quality Adding

85D Microsilica to concrete reduces the amount of water bleeding and segregation, leading to a smoother and more uniform mix.

Increased Flexibility

Concrete with 85D Microsilica can handle bending and stretching better, making it suitable for roads, bridges, and other structures that experience a lot of stress.

Eco-Friendly Choice

Using 85D Microsilica is good for the environment. It reduces the amount of cement needed, lowering the carbon footprint of your projects.

Cost Savings

Despite its high performance, 85D Microsilica is cost-effective. Its durability means fewer repairs and maintenance, saving you money in the long run.

Choosing 85D Microsilica from Symphony Tradecomm Pvt Ltd means you get top-quality, durable, and environmentally friendly construction materials. We are committed to providing excellent products to ensure your projects succeed.

Production Process of Our 85D Microsilica

At Symphony Tradecomm Pvt Ltd, our 85D Microsilica is produced through a controlled process to ensure its quality and effectiveness in construction projects:

1. Raw Material Selection:

We start by selecting high-quality raw materials, typically from silica-rich sources like quartz or silicon metal.

2. Processing:

The raw materials undergo a series of steps:

  • Purification: Any impurities are removed to enhance the purity of silica.
  • Oxidation: The silica undergoes a controlled oxidation process at high temperatures, typically in a furnace. This process converts silicon metal into silicon dioxide (SiO2), which is the main component of microsilica.
3. Collection:

As the silica is oxidized, it forms very fine particles known as microsilica. These particles are collected using specialized equipment to ensure they are pure and consistent in size.

4. Quality Control:

Throughout the production process, rigorous quality control measures are implemented. This includes testing the chemical composition, particle size distribution, and other parameters to meet industry standards.

5. Packaging:

Once quality checks are complete and the microsilica meets our standards, it is packaged into various forms suitable for transportation and use in construction.

By following these steps meticulously, we ensure that our 85D Microsilica meets the high standards required for enhancing concrete strength, durability, and performance in diverse construction applications.

Mixing and Application Techniques

How to Mix 85D Microsilica with Other Materials

Mixing 85D Microsilica with concrete is straightforward and enhances the performance of your mixture. Start by measuring the required amount of 85D Microsilica based on your mix design. Add the microsilica to your concrete mix either during the dry mixing stage with cement, sand, and aggregates, or during the wet mixing stage with water and other liquid admixtures. Ensure thorough mixing to evenly distribute the microsilica particles throughout the concrete. This can be done using a mechanical mixer, which helps achieve a uniform blend. Proper mixing is crucial to maximize the benefits of 85D Microsilica, such as improved strength, durability, and reduced permeability. Always follow the specific guidelines provided by your project or manufacturer to get the best results.

Performance of Our 85D Microsilica

At Symphony Tradecomm Pvt Ltd, our 85D Microsilica has been rigorously tested and proven to significantly enhance the performance of concrete in various applications.

Our 85D Microsilica significantly enhances concrete performance across various metrics. When added to concrete mixes, it increases compressive strength by up to 20%, making the concrete stronger and more durable. It also reduces permeability, protecting structures from water and chemical damage, which is especially beneficial in harsh environments like coastal areas and industrial sites. Additionally, 85D Microsilica improves flexural strength by 15%, making concrete more resistant to bending and cracking. It helps reduce bleeding and segregation, ensuring a more uniform mix and better finish quality. Concrete with 85D Microsilica also shows superior resistance to chemical attacks, maintaining its integrity longer than standard concrete. Lastly, it reduces shrinkage and cracking, ensuring long-lasting, durable structures. These benefits make our 85D Microsilica an excellent choice for any construction project.

Technical Specifications of 85D Microsilica

Our 85D Microsilica is engineered to enhance the performance and durability of concrete and other construction materials. Below are the detailed technical specifications of our product:

Parameter Specification
Product Name 85D Microsilica
Chemical Composition >85% SiO₂ (Silicon Dioxide)
Form Ultrafine amorphous powder
Color Grey
Odor Odorless
Melting Point 1550-1570°C
Solubility (Water) Insoluble/Slightly soluble
Specific Gravity 2.2-2.3
Bulk Density 150-700 kg/m³
Specific Surface Area 15-30 m²/g
Mean Particle Size 0.15 μm
CAS Number 69012-64-2
Occupational Exposure Limits Amorphous SiO₂: Inhalable 6 mg/m³, Respirable 4 mg/m³
Crystalline SiO₂: Respirable 0.3 mg/m³
Pozzolanic Activity Index ≥105% (compared to control mix)
Loss on Ignition <2%
Standards Compliance ASTM C1240, EN 13263-1
Packaging 25 kg bags, 1-ton jumbo bags
Storage Store in a dry, well-ventilated area