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

Dow KATHON WT Biocide

Dow KATHON WT Biocide is a broad-spectrum, water-based biocide from Dow’s KATHON™ series, formulated with isothiazolinones for effective microbial control in industrial water systems. It prevents bacterial, fungal, and algal growth in cooling towers, process waters, and oilfield applications. Known for rapid kill, low treatment dosage, and compatibility with common water treatment chemistries, it ensures system reliability and corrosion inhibition support.
  • dow kathon wt biocide_cdb09afe
  • dow kathon wt biocide_cdb09afe

Features Of Dow KATHON WT Biocide

  1. Highly effective broad-spectrum biocide against bacteria, fungi, and algae in industrial water systems.

  2. Stable performance across a wide pH range (pH 4–9) and tolerant to common water treatment additives.

  3. Low-dosage efficacy — typically applied at 50–200 ppm active ingredient for system protection.

  4. Non-oxidizing chemistry minimizes corrosion risk to ferrous and non-ferrous metals.

  5. Compatible with common scale inhibitors, dispersants, and anionic/cationic polymers.

Typical Applications Of Dow KATHON WT Biocide

  1. Cooling water systems in power generation and HVAC applications.

  2. Process water circuits in pulp and paper manufacturing.

  3. Recirculating water systems in chemical processing plants.

  4. Once-through and closed-loop industrial water systems requiring microbiological control.

  5. Make-up water treatment where biofilm prevention is critical.

Specifications Of Dow KATHON WT Biocide

Chemical TypeIsothiazolinone-based biocide (active ingredients: 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one)
Product FormAqueous solution
AppearanceClear, light yellow to amber liquid
Primary ApplicationsIndustrial water treatment for microbial control
Key FeaturesBroad-spectrum, non-oxidizing, low-foaming, pH-stable
BenefitsReduces biofilm formation, extends equipment life, maintains heat transfer efficiency
Storage Stability12 months minimum when stored at 5–30°C in original unopened container


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