Calcium Silicate
Calcium Silicate is a high-utility mineral additive used in food and nutrition manufacturing where powder flow, moisture control, caking reduction and dry-blend handling are critical. For procurement teams, the key sourcing question is not only price per kilogram, but whether the grade has the right particle structure, adsorption behavior, density, purity profile, documentation package and regulatory suitability for the final food category.
Global Food Additives supports buyers with Calcium Silicate sourcing coordination for dry powders, premixes, seasoning systems, powdered beverages, tableting blends, salt products and selected mineral carrier applications. Each inquiry is reviewed against the target specification, destination market, process conditions, packaging needs and requested documentation.
Product identity
| Product | Calcium Silicate |
|---|---|
| Category | Anticaking, Flow & Mineral Carriers |
| Function | Anticaking agent, powder flow aid, carrier or mineral processing aid |
| E / INS number | E552 / INS 552 |
| CAS / identity | 1344-95-2 |
| Typical form | Fine powder, granular powder or carrier-grade material |
| Appearance | Usually white to off-white, free-flowing mineral powder |
| Key sourcing focus | Particle size, bulk density, moisture adsorption, purity, heavy metals, flow performance and documentation |
Application fit
Calcium Silicate is normally evaluated in dry systems where powders must remain pourable, meterable, blendable and resistant to lump formation during storage, transport and production handling.
- Powdered beverages and instant drink systems
- Seasonings, spice blends and flavor powder carriers
- Vitamin, mineral and functional premixes
- Bakery mixes, dry dessert mixes and flour-based blends
- Salt, sugar, powdered sweeteners and mineral blends
- Tablet dusting, compression blends and dry nutraceutical systems
Technical performance overview
Calcium Silicate is valued because its porous mineral structure can support moisture adsorption and improve the physical handling of powders. In industrial food production, poor flow can create hopper bridging, dosing variation, dusting, filling errors, blend segregation, long discharge times and inconsistent packaging weights. A suitable Calcium Silicate grade may help stabilize dry blends by reducing particle-to-particle adhesion and maintaining a more consistent powder bed during storage and conveying.
Functional benefits
- Helps reduce caking in hygroscopic or humidity-sensitive powders
- Improves flow through hoppers, augers, dosing systems and packaging lines
- Supports more uniform blending of powders with different particle sizes or densities
- Can act as a carrier for flavors, colors, minerals or other dry micro-ingredients
- May reduce clumping during storage, pallet transport and long-distance export shipments
- Can support tablet and premix handling where dry surface flow is required
Process considerations
- Humidity exposure: evaluate performance under expected warehouse and production humidity.
- Mixing order: anticaking agents are often most effective when dispersed evenly into the dry phase.
- Particle size match: poor size compatibility can increase segregation risk in dry blends.
- Bulk density: density affects dosing accuracy, filling volume, bag size and pallet loading.
- Dust control: fine mineral powders may require controlled handling and good ventilation practices.
- Line compatibility: confirm performance in the buyer's actual hopper, mixer, feeder and packing equipment.
Industrial application matrix
| Application area | Typical challenge | Purchasing / QC focus |
|---|---|---|
| Powdered beverages | Caking, poor scoopability, clumping after humidity exposure | Low odor, fine dispersion, particle size, moisture control and label suitability |
| Seasonings and spice blends | Bridge formation in filling machines, uneven discharge and carrier instability | Flowability, color impact, flavor neutrality, sieve profile and batch consistency |
| Vitamin and mineral premixes | Micro-ingredient segregation, dosing variation and poor powder handling | Bulk density, particle compatibility, heavy metals, assay-related declarations and COA detail |
| Bakery and dry mixes | Lump formation, inconsistent dry mixing and filling problems | Food-grade status, functional performance, dust level and process validation |
| Salt and crystalline products | Moisture pickup, hardening, poor pouring and storage compaction | Anticaking efficiency, moisture adsorption, regulatory limit and sensory neutrality |
| Tablet and compression blends | Powder sticking, poor flow into dies and inconsistent feed behavior | Fine particle control, compressibility impact, dusting behavior and purity profile |
Specification points to compare
Calcium Silicate specifications can vary significantly between suppliers. For technical purchasing, buyers should compare more than product name and price. The most useful supplier offer normally includes physical, chemical, microbiological, regulatory and logistics information in one complete review package.
Physical parameters
- Appearance, color and odor
- Particle size distribution or sieve analysis
- Bulk density and tapped density
- Loss on drying or moisture content
- Flowability data where available, such as angle of repose, Carr index or Hausner ratio
- Oil absorption, water absorption or adsorption behavior where relevant
- Dusting tendency and handling behavior in dry processing environments
Chemical and purity parameters
- Calcium oxide and silicon dioxide related identity parameters
- pH of suspension where listed on specification
- Acid-insoluble matter or insoluble residue where applicable
- Lead, arsenic, mercury, cadmium and other heavy metal limits
- Fluoride, chloride, sulfate or other impurity limits if relevant to the grade
- Compliance with buyer specification, food additive monograph or internal quality standard
Microbiological and food safety review
- Total plate count, yeast and mold limits where required
- Absence requirements for pathogens according to buyer or market expectations
- HACCP, GMP, ISO 22000, FSSC 22000 or equivalent system documentation where available
- Allergen, gluten, GMO, vegan, halal or kosher statements when required by the customer
- Foreign matter control, metal detection and packaging integrity information
Logistics and commercial parameters
- Net bag weight, inner liner type, palletization and container loading capacity
- Shelf life, retest period and recommended storage conditions
- Minimum order quantity, lead time and available incoterms
- Batch size, production origin and traceability model
- Export documentation, invoice description, HS code support and label requirements
Quality-control checklist for incoming material
For consistent industrial use, Calcium Silicate should be evaluated through both supplier documentation and incoming-goods inspection. The buyer's quality team may create an internal acceptance checklist covering identity, appearance, packaging condition, certificate of analysis comparison and performance in the intended formula.
| QC step | What to verify | Why it matters |
|---|---|---|
| Document match | Product name, grade, batch number, production date, expiry or retest date | Confirms traceability and avoids receiving the wrong technical grade |
| Packaging inspection | Bag integrity, liner condition, pallet wrap, moisture exposure and label readability | Protects powder flow performance and prevents contamination risk |
| COA comparison | Physical, chemical, heavy metal and microbiological values against agreed specification | Confirms the supplied lot meets buyer-approved limits |
| Application trial | Flow, blending, discharge, dusting, dosing and final product behavior | Validates that the grade works in the buyer's process, not only on paper |
| Storage monitoring | Warehouse humidity, bag closure, stacking conditions and first-expiry-first-out rotation | Maintains performance during inventory holding and export logistics |
Technical purchasing notes
When reviewing Calcium Silicate, compare the supplier specification against the intended food application, process conditions, target function, label expectations and local rules. For industrial purchasing, the most useful inquiry includes the target grade, reference specification, intended use, expected dosage range, physical form, packaging size, quantity, destination country, delivery term and documentation requirements.
Buyers should also clarify whether the requested material is intended for direct food additive use, premix carrier use, tableting support, mineral processing support or a non-food industrial use. This distinction affects the grade, documentation, labeling, permissible use assessment and final customer approval process.
Packaging, storage and handling
Calcium Silicate is typically supplied in multi-layer paper bags, PE-lined bags, fiber drums, big bags or other export-ready packaging depending on the supplier and order size. Because anticaking performance is related to powder condition and moisture exposure, packaging integrity and dry storage are important commercial and quality factors.
Packaging details to request
- Net weight per bag, drum or big bag
- Inner liner material and moisture barrier level
- Pallet type, pallet dimensions and pallet wrap method
- Number of bags per pallet and net weight per pallet
- Container loading plan for LCL, 20-foot or 40-foot shipments
- Label language, batch coding format and destination-market label needs
Storage recommendations to confirm
- Keep sealed in original packaging until use
- Store in a dry, clean and well-ventilated warehouse
- Protect from water, condensation, strong odors and contamination sources
- Use resealing procedures for partially used bags
- Apply first-expiry-first-out or first-in-first-out stock rotation
- Confirm supplier shelf life and retest conditions before purchase
Regulatory and labeling review
Calcium Silicate may be identified by E552 or INS 552 in markets where this identification is accepted, but permission is not universal across every country, food category or usage level. Buyers are responsible for confirming that the selected grade, supplier documentation, final food category, maximum use level and label declaration comply with the destination-market rules.
For export projects, buyers should request market-specific declarations early. This can include food-grade status, non-GMO statement, allergen statement, halal certificate, kosher certificate, contaminant compliance, origin declaration, manufacturer declaration, certificate of analysis and any customer-specific restricted-substance declarations.
Documents to request
- Product specification or technical data sheet
- Certificate of analysis for the available batch or lot
- Safety data sheet where applicable
- Food-grade, origin, manufacturer, shelf-life and storage information
- Allergen, GMO, gluten, vegan, halal or kosher declarations when required
- Heavy metals, contaminant, microbiological and purity statements where applicable
- Label draft, packaging details, pallet configuration and container loading information
- Market-specific declarations requested by the destination country or end customer
- Traceability, batch coding and recall-support information
How to request this product
Send the product name, target grade or reference specification, intended application, approximate use level, quantity, destination country, packaging preference, expected shipment date, preferred delivery term and required documents. If you already purchase Calcium Silicate, attach or describe your existing specification, label, sample COA or supplier data sheet so alternatives can be compared accurately.
Recommended inquiry details
- Product: Calcium Silicate / E552 / INS 552
- Target application and food category
- Required grade, specification or reference COA
- Annual volume and first-order quantity
- Destination country and delivery term
- Packaging preference and pallet requirements
- Required certificates and market-specific declarations
What we can coordinate
- Supplier and grade comparison based on technical documents
- COA, TDS, SDS and declaration collection
- Export-ready packing and documentation review
- Quotation coordination according to quantity and delivery term
- Sample availability review where feasible
- Commercial communication between buyer and supplier
Useful answers
What is Calcium Silicate used for in food manufacturing?
Calcium Silicate is typically used as an anticaking agent, flow aid, carrier or dry-blend processing support ingredient. It is commonly evaluated in powder systems where moisture, compression, storage time or fine particles can reduce flowability.
Which technical parameters are most important?
Important parameters include particle size distribution, bulk density, loss on drying, pH, purity profile, heavy metals, microbial status, appearance, odor, flow behavior, packaging integrity and grade-specific regulatory documentation.
Can Global Food Additives source Calcium Silicate?
Global Food Additives can review Calcium Silicate sourcing options according to target specification, quantity, destination, delivery term, packaging format and required documentation.
Which documents should be requested?
Buyers commonly request a technical data sheet, product specification, certificate of analysis, safety data sheet, origin statement, shelf-life information, storage recommendation, label details, packaging information and market-specific declarations.
Is this product permitted in every country?
No. Food additive permission depends on destination-market rules, food category, use level, final label requirements, supplier grade and buyer responsibility. Regulatory approval should be checked before purchase and before use in production.
How should buyers compare supplier offers?
Compare supplier offers by specification, physical performance, COA detail, documentation completeness, packaging suitability, lead time, shelf life, origin, traceability, logistics cost and total delivered value, not only by unit price.
Tell us which food additive or ingredient you need.
Send product names, target specifications, quantity, destination country, packaging preference, delivery term, and document requirements. Our team will review your inquiry and respond from orders@foodgradeadditives.com.
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