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

Dow DOWICIL 75 Biocide

Dow DOWICIL 75 Biocide is a broad-spectrum, formaldehyde-releasing antimicrobial agent from Dow’s DOWICIL™ biocide series. It effectively controls bacteria, fungi, and algae in water-based industrial systems including paints, adhesives, and metalworking fluids. Known for stability, low odor, and compatibility with common formulations, it delivers long-term preservation without compromising product performance or safety.
  • dow dowicil 75 biocide_e8dc4985
  • dow dowicil 75 biocide_e8dc4985

Features Of Dow DOWICIL 75 Biocide

  1. Broad-spectrum antimicrobial activity against bacteria, fungi, and algae.

  2. Excellent stability in high-pH and oxidizing environments commonly found in industrial water systems.

  3. Low volatility and minimal odor, enhancing workplace safety and handling convenience.

  4. Compatible with common water treatment additives, including corrosion inhibitors and dispersants.

  5. Effective at low dosing concentrations, supporting cost-efficient system protection.

Typical Applications Of Dow DOWICIL 75 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 systems in power generation facilities.

  4. Make-up water treatment for closed-loop industrial cooling towers.

  5. Preservation of water-based metalworking fluids and emulsions.

Specifications Of Dow DOWICIL 75 Biocide

Chemical TypeIsothiazolinone-based biocide (active ingredient: 1,2-benzisothiazolin-3-one)
Product FormLiquid concentrate
AppearanceClear to slightly hazy, pale yellow liquid
pH (1% aqueous solution)2.0 – 4.0
Density (20°C)1.08 – 1.12 g/cm³
SolubilityMiscible with water in all proportions
Primary ApplicationsIndustrial water treatment, metalworking fluid preservation, paper mill systems
Key FeaturesBroad-spectrum efficacy, oxidative stability, low-dose performance


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