| HS Code | 707744 |
| Chemical Name | Magnesium Silicate |
| Molecular Formula | MgSiO3 |
| Molar Mass | 100.39 g/mol |
| Appearance | White powder or crystalline solid |
| Solubility In Water | Insoluble |
| Melting Point | 1,895 °C |
| Density | 3.2 g/cm³ |
| Cas Number | 1343-88-0 |
| Ph Value | 7-10 (in aqueous suspension) |
| Odor | Odorless |
As an accredited Magnesium Silicate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Magnesium Silicate is packaged in a 25 kg multi-ply kraft paper bag, with clear labeling indicating content, weight, and safety instructions. |
| Shipping | Magnesium Silicate should be shipped in tightly sealed containers to prevent moisture absorption and contamination. It is typically transported as a non-hazardous, dry powder or granules. Store and ship in cool, dry conditions. Follow local regulations and labeling requirements, and avoid contact with acids and strong oxidizers during transit. |
| Storage | Magnesium silicate should be stored in a cool, dry, and well-ventilated area, away from moisture, acids, and incompatible materials. Keep the container tightly closed when not in use to prevent contamination. Protect from physical damage and store away from foodstuffs. Ensure storage area is equipped with appropriate material handling equipment and clear labeling. Avoid generating dust during handling. |
Competitive Magnesium Silicate prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to admin@ascent-chem.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: admin@ascent-chem.com
Flexible payment, competitive price, premium service - Inquire now!
For more than two decades, we’ve poured expertise into producing high-quality magnesium silicate, drawing on real-world operations and daily feedback from working chemists, engineers, and procurement managers. We base every improvement on conversations from the shop floor, feedback from operators at mixing tanks, and the rigorous measurements from our QA team. We keep the ovens running, fine-tune the precipitation process, and watch the spray dryers—not as some distant supplier, but as the genuine team behind the product itself.
We see magnesium silicate’s full journey from raw mineral selection all the way to your plant’s delivery dock. In our facilities, we craft several product models designed for specific uses, always focusing on consistent performance, safe handling, and availability year-round. The features outlined here reflect our lived experience in manufacturing, not marketing spin or thirdhand supplier talk.
Our magnesium silicate comes from a tightly controlled reaction between sodium silicate and magnesium salts. This yields a synthetic compound with exceptional absorption properties and a stable chemical structure. We produce grades in both powder and granular form, with primary particle sizes ranging from about 5 to 20 microns for the finer material and up to 150 microns for coarser blends. Surface area falls within a typical range of 200–800 m²/g, depending on your requirements for binding, free-flow, or high-capacity absorption.
Our manufacturing protocol prioritizes low levels of heavy metals, carefully controlled pH (commonly between 7 and 10), and consistently white color. A continual focus on raw input purity and precise moisture control ensures that our product avoids caking and clumping, both during transport and storage. Our team’s commitment to minimal batch variation comes from first-hand feedback of what end users deal with in real production lines, where downtime and dusty rework cost real money.
We produce three principal models: a high-purity type targeting the food and pharmaceutical sectors, a high-capacity absorption grade for industrial and environmental work, and a coarser type favored in catalyst and filtration pre-coats. For each, the chemical composition hovers around MgO·SiO2, but the porosity, particle structure, and surface treatment differ.
The food and pharma grade undergoes an additional purification process to meet relevant certification requirements. This involves water washing and intensive screening to eliminate impurities and trace elements, since even a few stray parts per million of heavy metals can trigger recalls. This product moves in bulk lots of 500 kg supersacks or 20 kg multiply bags, packed in our cleanroom section where contaminant risk remains nearly zero.
The high-capacity absorption model carries a higher specific surface area, achieved by tweaking the precipitation step and extending spray drying time. This creates a porous structure with a larger internal volume. It’s the item we sell into oil and grease absorbent products, specialty rubbers, coatings, and chemical processes that demand speed and uptake volume. We found out the hard way—by lost bids and customer returns—that a poorly balanced moisture level or mishandled shrinkage causes packaging failures and loss of functionality. Over the years, we’ve learned to build resilience into our process, so end-users can count on effective, fast cleanup or stabilization every time.
Our third model, the granular catalyst support product, features a harder, free-draining bead. It serves as a physical backbone in chemical processes that call for consistent flow-through and mechanical strength. Unlike simple fillers or commodity powders, this material resists crushing and shows high abrasion resistance, holding up through repeat cycles in busy plants.
Absorbents make up our largest sales share, going to industrial spill cleanup, transformer oil reconditioning, and even brake pad factories. Years ago, we watched customers struggle with absorption rates that left hazardous material behind. By adjusting particle size distribution and optimizing the calcination step, our current grades pick up a wider range of oils and chemicals—genuine performance, proven in onsite demonstrations.
The pharmaceutical and food sectors turn to our high-purity magnesium silicate for stabilization and anti-caking. Oversized crystals and sharp edges in low-quality grades risk puncturing packaging and causing inconsistent blends. Our finer material stays soft and free flowing, with a neutral odor and bright white color. We ship samples to R&D labs worldwide, knowing that formulation work can take months and requires absolute trust in raw material stability.
Filtration customers want material that keeps columns free from plug formation, and that sheds fines quickly under backwash or rinse. In our experience, using an oversized or poorly calcined powder can cause pressure drops and filter fouling. By narrowing our particle size range and running extended sintering cycles, we deliver long-lasting filtration media that keeps maintenance costs in check.
We often get asked: “Why magnesium silicate? Why not diatomite, calcium silicate, or kaolin clay?”
Diatomaceous earth, while popular in some filtration and absorbent applications, typically contains higher levels of impurities and can introduce biological residues. This causes issues in sensitive formulations like pharmaceuticals and food processing. Handling diatomite also brings more airborne silica dust, setting off more respiratory complaints from staff than we see with our synthetic magnesium silicate.
Calcium silicate often plays a supporting role in anti-caking and separating agents, but lacks the tailored porosity and throughput of a high-grade magnesium silicate. Our observations, from trial swaps in customer plants, show calcium silicate absorbs less oil per unit mass, and often leaves behind visible residue or clumping in certain mixes.
Kaolin clay remains cheap and plentiful, but brings added weight, inconsistent mineral content, and color issues. In color-sensitive and purity-focused fields, kaolin just can’t compare—customers notice the difference right away in pigment dispersions and food-grade blends.
Our own magnesium silicate has a tighter particle-size control, a brighter visual appearance, and more reliable absorption. We keep batch records and actively work to keep the creation process clean, so allergy and toxicity risks remain negligible—especially important when customers audit our site for compliance with tough food and drug directives.
Running a magnesium silicate plant isn’t easy. Scaling up a batch from lab to pilot to full plant size always brings the risk of hard-to-notice shifts: a different thermal gradient in the reactor, slight changes in water chemistry from new wells, or evolving end-user specifications. We track these through experienced process techs, regular consultation with maintenance teams, and a continuous improvement review using both automated and hands-on inspection.
Dust remains a recurring challenge. Years back, we battled constant product loss and health complaints from airborne fines in the drying zone. We invested in modern baghouse filters, improved sealing at conveyor transitions, and established regular housekeeping protocols. We began weighing all output more accurately and adjusted dryer airflow, so the material sticks to its spec.
Moisture control remains key, both to meet customer blending targets and to prevent storage and shipping headaches. Too dry, and the powder creates dust problems and static. Too wet, and it cakes and slumps, hardens in bags, and threatens microbial growth. Our solution blends in experience—manual grab sampling, real-time moisture sensors at final pack-off, and routine training for every crew member. By pairing human judgment with tech, we cut rework by over 80 percent from where we started a decade ago.
Waste minimization keeps costs down and aligns with both regulation and customer ethics. Off-spec batches don’t get dumped—where possible, we reprocess or blend them for less demanding industrial uses, ensuring nothing heads to landfill unless it fails strict safety checks.
We rely on a stable magnesium salt supply chain anchored in verified, low-contaminant raw minerals. Each shipment undergoes screening for heavy metals and organics, since any breach can taint entire product runs. Teaming with vetted suppliers means our customers avoid surprise disruptions and shading in downstream product.
Our wastewater output stays closely managed, nearly closed-loop wherever possible, to conserve water and stay compliant with local discharge regulations. Solid residues from reaction and filtration stages are analyzed for reuse in construction or non-hazardous waste where allowed. Our dust controls go beyond required emission rates; we measure and publish the real particulate load. Parent company goals demand we track carbon and energy use, driving investments in more efficient water management and lower-emission production lines.
From order to shipment, everything runs through full traceability. Batch logs carry the initials of every operator, so responsibility never gets passed around without a name attached. We maintain a policy of open access—customers or inspectors can walk our plant floor without advance notice, and production records align to what goes into the final product. This builds frank, honest relationships, and keeps performance claims rooted in the truth of the shop floor.
Our commitment to food and pharma safety sits at the front of every process design. We apply the same contamination risk analysis used by top-tier consumer goods producers, with cross-checks at raw intake, drying, and packing. Every worker trains in hygiene protocols, and we regularly update our cleaning and pest control programs.
In practice, that means every bag of magnesium silicate moving through our warehouse meets not just a certificate, but the lived story of having satisfied hundreds of prior batch audits and real production runs.
Customer stories guide every improvement. Field returns and technical calls highlighted an early issue with fines migration—powder sifting out of bags, fouling automated lines, or causing filter plugs. We responded by tightening screening and implementing anti-static lining for sensitive markets. Our largest industrial accounts told us what packaging holds up to forklift handling and what labels work for their batch tracking systems. As hazardous material regulations changed, we rewrote our internal SDS documents and updated plant warning signs ahead of time, so our deliveries never get delayed at a receiving dock.
We handle complaints directly and rarely hand them off. Each issue gets personal attention from either our plant team or technical manager, up to and including direct onsite support when a customer’s line stops or a process change stirs up new challenges. We invite annual end-user forums, gathering users from food, chemical, rubber, and filtration sectors to talk openly about what’s working and what isn’t. Feedback directly shapes our next process review and product refinement.
The trust earned through long-term consistency shows in our reorder rates—most customers stick with us for years because we operate openly, use their feedback honestly, and never over-sell what magnesium silicate can do.
Innovation in magnesium silicate hasn’t slowed. We currently partner with university labs and downstream users to push the boundaries on pore size refinement, surface chemistry, and function-specific customizations. Real projects include environmental spill remediation, where we blend magnesium silicate into tailored composite particles for targeting oil and plastic micro-contaminants in water.
Customers in the polymer field request grades that maximize dispersion without chalking or color shift. We’re working toward entraining nanometer-scale additives into our base material, without sacrificing ease of handling or raising cost beyond practical limits.
In food technology, clean label trends steer us toward ever-more traceable, low-residue product. Auditing lot numbers and proving long-term supply security matter as much as technical performance. We continue to train our staff in cross-industry standards for allergen risk, chemical migration, and food safety documentation, keeping our product compliant and competitive for global food groups.
Environmental impact remains front and center. We invest in reducing process emissions, increasing recycling, and testing biodegradable packaging suitable for our highest-purity grades. We work with logistics partners to maximize load efficiency, shrinking our carbon footprint per kilo delivered. We move toward digitized batch records and real-time compliance checks as standard practice.
Operating as a true manufacturer means owning the process from start to finish—no guesswork, no shrugged shoulders if an issue pops up. Much of what customers value in our magnesium silicate comes from lessons learned through daily plant operations, maintenance work, and a history of problem solving, not sales meetings.
We stand behind every bag and every lot, ready to explain exactly how it was made, what it contains, and how it compares to competing materials. More than formulas or numbers, magnesium silicate gains its worth from the persistent, real-world effort of people running the plant and those who count on rock-solid product in the field.
In our experience, the direct link between manufacturer and user builds a track record of trust—ensuring every shipment of magnesium silicate delivers both the performance and reliability professional customers require today.
