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Advanced engineering for complex industrial challenges

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Efficiency and safety as our top priorities

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Energy Future

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Trusted Expertise

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SILICA SAND

What is Silica Sand?

Silica sand, also known as quartz sand, is a key raw material in many industries due to its high silicon dioxide (SiO₂) content, durability, and chemical stability. Formed through the natural weathering and erosion of quartz-rich rocks, silica sand is widely recognized for its hardness, purity, and resistance to high temperatures, making it an essential component in modern industrial processes.

With a purity level reaching up to 99.5% SiO₂, high-quality silica sand plays a critical role in glass manufacturing, where it is used to produce clear and durable glass products, including float glass, container glass, and solar panel glass. Its low iron content ensures excellent optical clarity, which is especially important in high-end and technical glass applications.

Beyond the glass industry, silica sand is extensively used in the foundry industry as molding and core sand. Its high melting point and consistent grain size distribution allow for precise metal casting, resulting in smoother surfaces and higher-quality finished products. This makes it indispensable for automotive, machinery, and heavy equipment manufacturing.

In the construction and building materials sector, silica sand is used as an additive in cement, concrete, and dry mortar mixtures. It enhances strength, durability, and resistance to environmental factors, contributing to long-lasting infrastructure and construction projects.

Silica sand also plays a vital role in water treatment and filtration systems. Due to its uniform particle size and chemical inertness, it is highly effective as a filtration medium for removing impurities, sediments, and contaminants from water. This makes it widely used in municipal water treatment plants, industrial filtration systems, and swimming pool filters.

In the oil and gas industry, silica sand is used as frac sand in hydraulic fracturing operations. Its high compressive strength and resistance to crushing make it ideal for keeping fractures open, allowing oil and gas to flow more efficiently.

Why Choose Our Silica Sand?

  • Consistent high purity (99.5% SiO₂)
  • Low iron content for clear glass
  • Export-ready logistics
  • Custom mesh sizes

Chemical Specification (Laboratory Tested)

Parameter

  • SiO₂ (Silicon Dioxide) = 99.5 %
  • Fe₂O₃ (Iron Oxide) = ≤ 0.03 % (typical low level)
  • Al₂O₃ (Aluminum Oxide) = ≤ 0.2 %
  • CaO (Calcium Oxide) = ≤ 0.05 %
  • MgO (Magnesium Oxide) = ≤ 0.05 %
  • Loss on Ignition (LOI) = ≤ 0.1 %
  • Moisture Content = ≤ 2 %

The extremely high SiO₂ content ensures chemical stability, thermal resistance, and optical clarity for industrial use.

Physical Characteristics

  • Appearance: White to light cream
  • Grain Shape: Sub-angular to rounded
  • Hardness: 7 (Mohs scale)
  • Specific Gravity: ±2.65
  • Bulk Density: 1.4–1.6 ton/m³
  • Melting Point: ±1,710°C
  • Mesh Size: Customizable (e.g., 20–40, 30–60, 40–80, 80–120 mesh)

Key Advantages

  • Ultra-high purity (99.5% SiO₂)
  • Low iron content (ideal for clear/float glass)
  • High thermal resistance
  • Excellent chemical inertness
  • Strong mechanical strength
  • Consistent particle size distribution

Applications

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A. Glass Industry

  • Float glass production
  • Container glass
  • Solar panel glass
  • Optical and specialty glass

B. Foundry Industry

  • Molding sand
  • Core sand
  • Investment casting

C. Construction & Chemical

  • Cement additive
  • Dry mortar mixture
  • Silicate chemical production

D. Water Treatment

  • Filtration media
  • Swimming pool filter sand

E. Oil & Gas

  • Frac sand
Frequently Asked Questions

What minerals do you supply?

We supply clay, dolomite, bentonite, silica sand, and limestone for industrial and export needs.

Do you support shipping?

Yes, we offer comprehensive shipping solutions to deliver our mineral products efficiently to your location.

Where is your company located?

Our company is based in Gresik, Indonesia, and serves local and international clients.