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

Dow KATHON LX150 Biocide

Dow KATHON LX150 Biocide is a broad-spectrum, isothiazolinone-based preservative from Dow’s KATHON™ biocide series. Designed for water-based industrial formulations, it delivers robust microbial control against bacteria, fungi, and algae. Its low-use concentration, stability across pH 4–9, and compatibility with common additives make it ideal for paints, coatings, adhesives, and metalworking fluids.
  • dow kathon lx150 biocide_0a3dd126
  • dow kathon lx150 biocide_0a3dd126

Features Of Dow KATHON LX150 Biocide

  1. Broad-spectrum efficacy 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-dose efficiency—effective at concentrations as low as 5–50 ppm active ingredient.

  4. Non-oxidizing chemistry minimizes corrosion risk to metallurgy and elastomers in recirculating systems.

  5. Compatible with common scale inhibitors, dispersants, and anionic/nonionic surfactants.

Typical Applications Of Dow KATHON LX150 Biocide

  1. Cooling water systems in HVAC and industrial heat exchange applications.

  2. Process water circuits in paper manufacturing and pulp mills.

  3. Recirculating water in metalworking fluid sumps and machining operations.

  4. Make-up water treatment for closed-loop chilled water systems.

  5. Preservation of aqueous-based industrial formulations during storage and transport.

Specifications Of Dow KATHON LX150 Biocide

Chemical TypeIsothiazolinone-based biocide (active ingredients: 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one)
Product FormAqueous liquid solution
AppearanceClear, light yellow to amber liquid
pH (as supplied)2.0–4.0
Density (20 °C)1.08–1.12 g/cm³
Active Ingredient Content1.5% w/w total isothiazolinones
SolubilityMiscible with water in all proportions
Storage Stability≥12 months at 5–30 °C in original unopened container


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