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

Dow ROCIMA 103 Biocide

Dow ROCIMA 103 Biocide is a broad-spectrum, formaldehyde-releasing preservative from Dow’s ROCIMA™ antimicrobial series. It effectively controls bacteria, yeast, and mold in water-based industrial formulations including paints, coatings, adhesives, and metalworking fluids. Designed for low-odor, stable performance and regulatory compliance, it ensures long-term product integrity without compromising formulation chemistry.
  • dow rocima 103 biocide_4b9b1d5f
  • dow rocima 103 biocide_4b9b1d5f

Features Of Dow ROCIMA 103 Biocide

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

  2. Excellent stability across a wide pH range (pH 4–10) and compatibility with common formulation ingredients.

  3. Low odor profile and favorable toxicological profile for industrial use under controlled handling conditions.

  4. Non-oxidizing mode of action, minimizing corrosion risk to metal components and system infrastructure.

  5. Ready-to-use liquid formulation enabling precise dosing and simplified integration into production processes.

Typical Applications Of Dow ROCIMA 103 Biocide

  1. Preservation of water-based metalworking fluids in machining and grinding operations.

  2. Microbial control in latex emulsions used in paints, coatings, and adhesives manufacturing.

  3. Protection of process water circuits in paper and board mills.

  4. Stabilization of pigment dispersions and architectural coatings during storage and application.

  5. In-process preservation of water-based polymer emulsions in synthetic rubber and specialty chemical production.

Specifications Of Dow ROCIMA 103 Biocide

Chemical TypeIsothiazolinone-based biocide (mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one)
Product FormAqueous solution
AppearanceClear, pale yellow to amber liquid
pH (1% aqueous solution)2.0–4.0
Density (at 20°C)1.08–1.12 g/cm³
Active Ingredient Content1.5–1.7% w/w total isothiazolinones
SolubilityCompletely miscible with water
Primary ApplicationsIndustrial water-based formulations requiring long-term microbiological stability


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