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

Dow ROCIMA 361 Biocide

Dow ROCIMA™ 361 Biocide is a broad-spectrum, isothiazolinone-based preservative designed for water-based industrial formulations. It delivers robust microbial control against bacteria, fungi, and algae with low dosage efficiency and excellent compatibility. Ideal for paints, coatings, adhesives, and metalworking fluids, it ensures long-term product stability and performance under diverse pH and temperature conditions.
  • dow rocima 361 biocide_35646e9c
  • dow rocima 361 biocide_35646e9c

Features Of Dow ROCIMA 361 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 varying water hardness and temperature.

  3. Low foaming formulation suitable for high-shear and recirculating cooling water applications.

  4. Compatible with common scale inhibitors, corrosion inhibitors, and other water treatment additives.

  5. Non-oxidizing chemistry enabling use where chlorine or bromine may cause material degradation or by-product formation.

Typical Applications Of Dow ROCIMA 361 Biocide

  1. Cooling water systems in HVAC and industrial power plants.

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

  3. Recirculating water in metalworking fluid systems.

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

  5. Industrial wastewater reuse and storage basins requiring microbial control.

Specifications Of Dow ROCIMA 361 Biocide

Chemical TypeIsothiazolinone-based biocide (active ingredients: 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one)
Product FormLiquid concentrate
AppearanceClear, light yellow to amber liquid
pH (as supplied)2.5–4.0
Density (20°C)1.08–1.12 g/cm³
SolubilityCompletely miscible with water
Primary ApplicationsNon-oxidizing microbiocide for industrial water treatment
Storage StabilityMinimum 12 months at 5–30°C in original unopened container


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