Your trusted bulk supplier of high-purity graphite powder and industrial-grade silica sand — engineered for performance, certified for quality.
We are a specialized industrial minerals supplier with deep expertise in sourcing, processing, and distributing high-purity graphite powder and industrial silica sand to clients across six continents.
From fine mesh graphite powders used in battery anodes and lubrication to high-SiO₂ silica sand used in glass manufacturing and hydraulic fracturing, our products are held to exact specifications backed by third-party laboratory verification.
We serve procurement managers, engineers, and materials specialists who operate at the intersection of precision and scale — clients who cannot compromise on purity, particle size, or supply continuity.
Learn more about us →"We don't supply commodities. We supply precision materials — verified, documented, and delivered on schedule."
Backed by laboratory-verified quality, global logistics capability, and deep application expertise across all major industrial sectors.
Graphite from 85% to 99.9% fixed carbon. Silica sand with SiO₂ ≥ 99.0%. Every shipment includes an independent third-party Certificate of Analysis.
Graphite from 5 to 1000 mesh. Silica from coarse construction grades to 325 mesh silica flour. Non-standard PSDs available on request.
From 25 kg laboratory samples to 500 MT bulk consignments. FIBC jumbo bags, drums, or multi-wall sacks. Buffer stock maintained for key grades.
Material scientists and application specialists advise on grade selection, compatibility with your process, and specification development for new applications.
Ready to sea freight, air freight, and overland logistics to South Asia, Southeast Asia, Middle East, Europe, and Africa. EXW, FOB, and CIF terms available.
Natural flake, amorphous, and synthetic grades. Fixed carbon 85%–99.9%. Mesh sizes 50–10,000. Applications across metallurgy, battery anodes, lubricants, refractories, conductive coatings, and polymer compounding.
View Full Specifications →SiO₂ content 95%–99.8%. AFS GFN 20–120 for foundry grades. Washed, dried, acid-washed, and calcined forms. Applications in glass, foundry casting, construction, frac sand, water filtration, ceramics, and chemicals.
View Full Specifications →Our technical sales team will review your specifications and provide a competitive bulk quotation within one business day.
Founded on the principle that industrial buyers deserve more than commodity-level service, MineralCo was established to bridge the gap between raw mineral sources and the exacting standards of modern industry.
Over the years, we have grown from a regional distributor into an internationally active supplier, building long-term supply partnerships with mines, processing facilities, and industrial end-users across multiple continents.
Our client base includes multinational steel producers, independent foundries, specialty glass manufacturers, electronics component makers, and specialty chemical formulators — all of whom rely on us for materials that perform consistently, every batch.
"We don't supply commodities. We supply precision materials — verified, documented, and delivered on schedule."
To supply the global industrial sector with consistently high-quality graphite powder and silica sand — at the right specification, in the right quantity, with reliable logistics and uncompromising documentation standards — enabling our clients to operate with confidence at every stage of their production process.
To be the most technically respected and operationally reliable industrial minerals supplier in our served markets — recognized not just for the purity of our products, but for the depth of our application knowledge and the integrity of our supply chain.
Every specification — fixed carbon content, SiO₂ percentage, particle size distribution, moisture — is measured, recorded, and verified. Our documentation is as precise as the materials it describes.
We maintain buffer stock for key grades, work with redundant supply sources, and operate with full shipment tracking transparency so clients always know where their material stands.
Complete documentation with every shipment. No hidden terms, no grade substitutions without prior client approval. Every CoA, SDS, and export certificate is provided as standard.
Our team engages with clients' technical and procurement teams to optimize material selection, assist with specification development, and support new application trials.
We actively work with supply partners who operate responsible mining and processing practices, and support clients in meeting their ESG material sourcing obligations.
Have a specification you'd like us to evaluate? Our technical team responds within 24 hours.
Speak to Our Technical TeamGraphite powder is one of the most versatile industrial minerals in use today, valued for its high thermal stability, electrical conductivity, self-lubricating properties, and chemical inertness. We supply natural flake, amorphous, and synthetic graphite powder across a wide range of particle sizes and purity grades.
| Specification | Range Available |
|---|---|
| Fixed Carbon Content | 85% – 99.9% |
| Particle Size (Mesh) | 50 mesh – 10,000 mesh (~1–2 microns) |
| Moisture Content | ≤ 0.5% (standard); ≤ 0.1% (dried grades) |
| Ash Content | 0.1% – 15% depending on grade |
| Sulfur Content | ≤ 0.05% (low-sulfur grades available) |
| Form | Natural flake, amorphous, synthetic |
Used as a carbon raiser (recarburizer) in EAF and induction furnaces. High fixed-carbon (≥ 98%), low-sulfur (≤ 0.05%) grades supplied.
Mold release agent and facing material in sand molds. Fine mesh grades (200–325 mesh) standard for smooth casting surfaces.
Outstanding dry lubricant for high-temperature formulations, anti-seize compounds, and metalworking. 150–5,000 mesh grades available.
Primary anode material in lithium-ion batteries. Ultra-high purity (≥ 99.95% fixed carbon), D50: 10–20 microns. R&D samples available.
Essential in magnesia-carbon bricks, alumina-graphite slide gates, and continuous casting refractories. Thermal shock resistance is key.
Electrically conductive pigment in anti-corrosion coatings and EMI shielding. Ultra-fine grades (3,000–10,000 mesh, D97 < 5 microns).
Imparts electrical and thermal conductivity to thermoplastic and rubber compounds for gaskets, seals, and engineered components.
Amorphous graphite of consistent fineness for pencil core production across the full HB to 9B hardness range.
Silica sand — composed primarily of silicon dioxide (SiO₂) — is one of the most widely consumed industrial minerals globally. We supply silica sand across a broad range of grades, from coarse construction aggregates to ultra-fine processed silica flour, with SiO₂ content verified by XRF analysis.
| Specification | Range Available |
|---|---|
| SiO₂ Content | 95.0% – 99.8% |
| Particle Size | 8 mesh – 325 mesh (silica flour) |
| AFS Grain Fineness Number | 20 AFS – 120 AFS (foundry grades) |
| Moisture Content | ≤ 0.2% (dried grades) |
| Iron Oxide (Fe₂O₃) Content | ≤ 0.02% (glass-grade); ≤ 0.1% (standard) |
| Form | Unwashed, washed, acid-washed, dried, calcined |
Primary raw material for flat, container, borosilicate, and specialty glass. Glass-grade SiO₂ ≥ 99.5% with Fe₂O₃ ≤ 0.015%. Acid-washed grades available.
Dominant molding aggregate in green sand, chemically bonded sand, and lost foam casting. Washed and dried grades to AFS 40–70 for ferrous and non-ferrous casting.
Fine aggregate in concrete, mortar, plaster, AAC blocks, and calcium silicate bricks. Available to EN 13139 / IS 383 grading standards on request.
API/ISO 13503-2 spec proppant grades — 20/40, 30/50, and 40/70 mesh — with verified sphericity, roundness, crush resistance, and turbidity.
Filter media for municipal, industrial, and pool filtration. Specific effective size (ES) and uniformity coefficient (UC) specifications available to filter design.
Used in ceramic bodies, sanitaryware, and high-silica refractories including silica bricks for coke ovens and glass furnaces. Silica flour to 325 mesh with SiO₂ ≥ 99.0%.
Feedstock for silicon metal, ferrosilicon, sodium silicate, silicon carbide, and fumed silica production. Consistent composition and low contamination are critical.
Functional extender filler improving abrasion resistance, anti-settling properties, film strength, and surface texture in architectural and industrial coatings.
Beyond standard grades, we offer a comprehensive range of value-added processing, packaging, and documentation services to match your specific application requirements and supply chain preferences.
Using air classification and precision screening, we produce non-standard PSDs to match your process. Sample quantities dispatched before bulk orders for lab qualification.
Moisture-sensitive applications in electronics, refractory, and chemical sectors can request oven-dried or kiln-calcined product with moisture content ≤ 0.1%.
Silane-treated silica sand for polymer and rubber applications, and oxidation-treated graphite for intercalation compound production — available on technical evaluation.
25 kg multi-wall sacks, 50 kg PP woven bags, 500 kg or 1,000 kg FIBC jumbo bags, or bulk quantities for pneumatic conveying — all labelled to your specification.
Every customer receives Certificate of Analysis, Safety Data Sheet, particle size distribution report, and applicable compliance declarations (REACH, RoHS, conflict minerals).
Pre-production samples of 0.5 kg – 5 kg dispatched for laboratory qualification testing before bulk placement. Standard lead time: 3–5 working days.
Qualify our materials in your process before committing to bulk orders. 0.5–5 kg qualification samples dispatched in 3–5 working days.
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