14SiSILICONZEMSIL®

ZEMSIL DF-W

Dow Corning Antifoam B Emulsion

Silicone Defoamer (Wastewater and fermentation type)

Also equivalent to: TEGO Antifoam 4-Starch

Request Quote

Response within 24 hours

20

%

Active Silicone Content

White milky liquid

Appearance

6.0–9.0

pH

20–100

ppm

Dosage

Specifications

PropertyValueUnit
Active Silicone Content20 ± 1%
AppearanceWhite milky liquid
pH6.0–9.0
Viscosity @ 25°C200–600mPa·s
Density @ 25°C~1.01g/mL
Recommended Dosage20–100ppm
DilutionDilute 1:5 with water before dosing

Applications

Municipal wastewater activated sludge aeration tanksIndustrial effluent treatment — food, pharma, and chemical plantsBiogas anaerobic digester and fermentation reactorsFood processing wash water and CIP systems

Key Features

  • Rapid defoaming performance in high-BOD and surfactant-laden wastewater
  • Biodegradation-safe at recommended dosage levels, posing no risk to activated sludge biomass
  • Compatible with both aerobic biological treatment and anaerobic digestion processes

Request a Quote

Get pricing for ZEMSIL DF-W

Related Products

ZEMSIL DF-W | ZEMSIL® | ZEMSIL®