ZEMSIL DF-200
≡ Dow Corning Antifoam 1430Silicone Defoamer (Alkali- and high-temperature resistant type)
Also equivalent to: TEGO Antifoam MR 2100
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35
%
Active Silicone Content
White milky liquid
Appearance
Stable to pH 12
pH Stability
50–300
ppm
Dosage
Specifications
| Property | Value | Unit |
|---|---|---|
| Active Silicone Content | 35 ± 1 | % |
| Appearance | White milky liquid | — |
| pH | 5.0–7.0 | — |
| pH Stability Range | 2–12 | — |
| Viscosity @ 25°C | 600–1200 | mPa·s |
| Density @ 25°C | ~1.03 | g/mL |
| Recommended Dosage | 50–300 | ppm |
Applications
Alkaline cleaning and degreasing formulations at pH 9–12Cement and concrete admixture productionHigh-temperature polymer processing above 100°CCaustic scrubbing systems in chemical plants
Key Features
- —Emulsion is stable at pH up to 12 and process temperatures up to 150°C
- —Formulated to eliminate silicone spotting defects in coating and film applications
- —Broad effective dosage range of 50–300 ppm accommodates varying foam severity
Silicone Defoamer
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