Performance intent
Rapid defoaming + durable suppression to reduce downtime, improve transfer/filling, and stabilize product appearance.
Product Specialty Additives
Silicone Defoamer (Additive)
Silicone antifoam additive for fast foam knockdown and persistent foam suppression in industrial processing, water-based formulations, and utility systems.
Formats: silicone oil • emulsion • compound (per application)
Documentation: SDS / COA / TDS on request
Packaging: drums / IBC / bulk (lane-dependent)
Commercial fit
Spot supply or repeat procurement lanes with documentation aligned to purchasing and QC receiving.
Grade alignment
Selected by surfactant load, process temperature, shear, addition point, and compatibility constraints.
Note: foam control performance depends on your formulation/process. Share the system details and we will shortlist suitable grades for trials.
What foam control improves
Foam can reduce effective tank volume, slow filling and transfer, distort dosing accuracy, trap air, and cause appearance or performance issues. Silicone defoamers typically reduce foam quickly and help prevent re-foaming under agitation.
Throughput
Less foam headspace → faster mixing, transfer, and packaging with fewer interruptions.
Quality consistency
Lower entrained air and micro-foam → improved appearance and more stable batch-to-batch outcomes.
Process stability
More predictable level control, pumping behavior, and reduced overflow risk.
How silicone defoamers typically work
Silicone-based defoamers destabilize foam films and accelerate bubble coalescence, allowing foam to collapse. Grade design (silicone phase, carrier, emulsifier package, and particle size distribution in emulsions) influences knockdown speed, persistence, and compatibility with surfactant-rich systems.
Applications
Typical usage patterns. Tell us your process and constraints and we’ll align the right specification.
Common industrial uses
- Process foam control (mixing tanks, reactors, recirculation loops, filling lines)
- Water-based formulations (detergents, emulsions, compatible blends)
- Utility and water systems (wastewater/effluent foam management where compatible)
- Coatings and treatment systems (micro-foam reduction with grade selection)
- High-shear dispersion steps (where foam forms during surfactant/polymer addition)
Performance targets we align for
Fast knockdown
Collapse surface foam quickly during agitation and transfer.
Persistence
Maintain foam control through shear, pumping, and temperature changes.
Compatibility
Minimize side effects in sensitive formulations (appearance, clarity, surface defects).
Typical specifications & formats
Values depend on grade and customer requirements. Confirm details on quotation.
Type
Silicone defoamer / antifoam additive
Formats
Silicone oil, silicone emulsion, or compound (per application)
Activity
Grade per inquiry (fit-for-purpose selection)
Appearance
Oil or milky emulsion (grade-dependent)
Ionic character
Typically nonionic (verify per grade)
Solids / content
Grade-specific (commonly supplied across multiple activity levels)
Packaging
Drums, IBC (bulk on lane)
Documentation
SDS / COA / TDS on request
Notes
Dose depends on foam severity, surfactant load, and shear profile
Practical dosing guidance (typical)
Use this as a starting point. Confirm via trials in your real system.
Dosage starting point
Often 0.01–0.30% on total formulation (application-dependent). Start low and increase stepwise.
Addition points
Pre-add in make-up water, add during agitation, or dose in-line at foam generation points.
Evaluation
Track foam height/decay, re-foaming under shear, air entrainment, and appearance in the final product.
Important: overdosing in sensitive systems may cause appearance defects (e.g., craters/fisheyes) or reduced clarity. Screening trials are recommended before production scale-up.
Specifications may vary depending on batch, origin, grade design, and packaging selection.
Selection guide
Defoamer selection is driven by what stabilizes your foam: surfactants, polymers, salts, temperature, and shear. We typically shortlist by (1) where foam is generated, (2) how persistent it is, and (3) what side effects must be avoided.
What we optimize for
Knockdown vs persistence
Balance immediate foam collapse with ongoing suppression through the process cycle.
Compatibility window
Minimize separation, haze, surface defects, or performance drift in the finished formulation.
Process conditions
Match grade to temperature swings, electrolyte load, and high-shear mixing equipment.
Fast screening checklist
- Foam source: surfactant addition, polymer addition, air entrainment, gas evolution
- Process: batch/continuous, residence time, recirculation, inline mixing
- Constraints: appearance/clarity, silicone sensitivity, downstream filtration, discharge limits
Handling, storage & safety
General guidance only. Always follow the supplied SDS and your site procedures.
Storage
Store sealed in original packaging. Protect emulsions from freezing and excessive heat.
Shelf life
Often 6–12 months (grade- and storage-dependent). Confirm on the supplied COA/TDS.
Before use
Emulsions may settle on storage. Gentle homogenization is commonly recommended before dosing.
Compatibility testing
Run a trial at your intended dosage and addition point. Evaluate re-foaming and final appearance.
Regulatory / transport
Classification depends on grade and local rules. Confirm using the SDS for the quoted grade.
Cleanup
Follow SDS guidance and local regulations. Clean dosing lines promptly to avoid residue build-up.
Disclaimer: Typical guidance only. Final parameters, compliance status, and suitability are confirmed for the quoted grade and supplied batch.