Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Dow BIOBAN 551S Biocide

Dow BIOBAN 551S Biocide is a broad-spectrum, formaldehyde-releasing antimicrobial agent from Dow’s BIOBAN™ series, designed for preservation in water-based industrial formulations including paints, adhesives, and metalworking fluids. It offers long-term microbial control against bacteria, fungi, and algae with excellent stability and low odor.
  • dow bioban 551s biocide_8be183a1
  • dow bioban 551s biocide_8be183a1

Features Of Dow BIOBAN 551S Biocide

  1. Broad-spectrum efficacy against bacteria, fungi, and algae in water-based systems.

  2. Low-foaming formulation suitable for high-shear industrial processes.

  3. Stable across a wide pH range (pH 4–10) and compatible with common surfactants and polymers.

  4. Non-volatile and non-oxidizing, minimizing odor and corrosion concerns.

  5. Designed for long-term preservative performance in closed-loop and open recirculating systems.

Typical Applications Of Dow BIOBAN 551S Biocide

  1. Preservation of water-based metalworking fluids and coolants.

  2. Microbial control in industrial process waters, including cooling tower systems.

  3. Protection of aqueous polymer emulsions and latexes during storage and transport.

  4. Stabilization of pigment dispersions and architectural coatings.

  5. Inhibition of microbial growth in oilfield production water and injection systems.

Specifications Of Dow BIOBAN 551S Biocide

Chemical TypeIsothiazolinone-based biocide blend
Product FormAqueous liquid
AppearanceClear, pale yellow to amber liquid
Primary ApplicationsIndustrial water treatment, metalworking fluids, coatings, adhesives, and emulsions
Key FeaturesBroad-spectrum, low-foaming, pH-stable, non-oxidizing
Recommended Use Concentration50–200 ppm active ingredient (system-dependent)
Storage Stability≥12 months at 5–30°C in original sealed container
Freezing PointApprox. –5°C


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