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

Dow ROCIMA 640 Fungicide

Dow ROCIMA 640 Fungicide is a broad-spectrum biocide from Dow’s ROCIMA series, specifically formulated for industrial water systems. It effectively controls bacteria, fungi, and algae using isothiazolinone chemistry. Ideal for cooling towers, paper mills, and oilfield applications, it delivers stable performance under varying pH and temperature conditions while meeting global regulatory standards.
  • dow rocima 640 fungicide_1ae5a254
  • dow rocima 640 fungicide_1ae5a254

Features Of Dow ROCIMA 640 Fungicide

  1. Broad-spectrum fungicidal activity against key spoilage organisms including yeasts, molds, and bacteria.

  2. pH-stable performance across a wide range (pH 3–10), ensuring efficacy in diverse formulation environments.

  3. Low odor and non-volatile profile, supporting use in sensitive consumer and industrial applications.

  4. Compatible with common surfactants, polymers, and preservative systems without compromising stability.

  5. Regulatory support for global markets, including compliance with EU Biocidal Products Regulation (BPR) and US EPA requirements.

Typical Applications Of Dow ROCIMA 640 Fungicide

  1. Water-based paints and coatings to prevent microbial degradation during storage and in-service conditions.

  2. Architectural and industrial adhesives and sealants where long-term biological stability is critical.

  3. Construction materials such as grouts, mortars, and cementitious slurries exposed to humid environments.

  4. Non-woven textiles and building insulation products requiring protection against fungal growth.

  5. Automotive interior components and under-hood materials susceptible to microbiological spoilage.

Specifications Of Dow ROCIMA 640 Fungicide

Chemical TypeIsothiazolinone-based biocide blend
Product FormAqueous solution
AppearanceClear, light amber liquid
Primary ApplicationsPreservation of water-based industrial formulations
Key FeaturesBroad-spectrum, pH-stable, low-odor, non-volatile
Recommended Use Level0.05–0.2% w/w (as supplied)
Storage ConditionsStore at 5–30°C; protect from freezing and direct sunlight
Shelf Life24 months from date of manufacture when stored properly


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