Quick selection
- Oil-based systems, hydrophobic
- CENSIL 17
- Liquid powdering, high absorption
- CENSIL 698
- Powder systems, high absorption
- CENSIL 688
What does silica do in defoaming & system stability?
- Support powdering of defoamer oils or liquid actives into a system that is easier to handle and dose.
- Improve anti-caking and stability in oil-based defoamer systems through hydrophobic silica.
- Help balance knock-down speed, persistence, compatibility, cratering and surface-oil risk.
Who is this track for?
- Defoamer manufacturers, defoamer compounders and industrial additive channels.
- Coatings, paper, textile, wastewater, construction-chemical and fermentation additive companies.
- Customers who need powder defoamers, liquid powdering or system-stability materials.
Which CENSIL grades are used for defoaming & system stability?
A hydrophobic route for oil-based defoamer systems, and two high-absorption powder routes aimed at liquid powdering and powder-system stability. Mineral oil, silicone oil, polyether and waterborne systems each need their own compatibility testing.
We publish the selection logic, not the numbers. Data sheets are issued per enquiry so the figures match the current supplier revision and your application.
The hydrophobic, anti-caking route for oil-based defoamer systems. Compatibility with mineral oil, silicone oil, polyether and waterborne systems is always confirmed separately.
TDS · specifications · COA on requestA high-absorption candidate for liquid powdering — taking a defoamer oil or liquid active onto a carrier that remains easy to handle and dose.
TDS · specifications · COA on requestThe companion high-absorption route, aimed at liquid powdering and powder-system stability work.
TDS · specifications · COA on requestHow do you test a silica for defoaming & system stability?
| Test dimension | What to watch | What it tells you |
|---|---|---|
| Knock-down speed | How fast foam is eliminated | Tells you immediate defoaming power |
| Persistence | Foam regrowth over time | Tells you sustained stability |
| Compatibility | Fit with resin, emulsion, oil or water phase | Avoids separation, surface oil and cratering |
| Liquid powdering | Whether the powder still flows after absorption | Tells you if powdering is feasible |
| Storage stability | Settling, caking or loss of activity over time | Tells you product reliability |
Which reference brands do customers benchmark against?
Trademarks belong to their respective owners and are named for orientation only. No equivalence is claimed; fit is confirmed by your own trial.
Which grade should you start with?
Confirm whether the customer runs mineral oil, silicone oil, polyether or a waterborne system first, then decide between the hydrophobic route of CENSIL 17 and the high-absorption powdering route of CENSIL 698 / 688.