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

Dow AQUCAR DB 20 Biocide

Dow AQUACAR DB 20 Biocide is a broad-spectrum, non-oxidizing microbicide from Dow’s AQUACAR series, specifically formulated for industrial water systems. It effectively controls bacteria, fungi, and algae in cooling towers, process water, and oilfield applications. Featuring low-foaming, stable performance under varying pH/temperature, and compatibility with common water treatment chemistries, it ensures reliable microbial control with minimal dosing.
  • dow aqucar db 20 biocide_5e6ced43
  • dow aqucar db 20 biocide_5e6ced43

Features Of Dow AQUCAR DB 20 Biocide

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

  2. Stable in high-hardness and high-pH cooling water systems.

  3. Low toxicity profile with favorable environmental and handling safety characteristics.

  4. Compatible with common corrosion inhibitors and scale control agents.

  5. Effective at low dosage rates (typically 50–200 ppm active ingredient).

Typical Applications Of Dow AQUCAR DB 20 Biocide

  1. Industrial closed-loop and open recirculating cooling water systems.

  2. Process water circuits in power generation and petrochemical facilities.

  3. Chilled water systems in commercial HVAC applications.

  4. Once-through and low-flow water systems requiring intermittent biocide treatment.

  5. Supplemental biocide in systems where oxidizing biocides are limited by material compatibility.

Specifications Of Dow AQUCAR DB 20 Biocide

Chemical TypeHeterocyclic nitrogen-based non-oxidizing biocide
Product FormAqueous solution
AppearanceClear, light amber liquid
Active Ingredient ConcentrationApprox. 20% w/w
pH (1% aqueous solution)7.0 – 8.5
Density (20°C)1.03 – 1.06 g/cm³
Solubility in WaterCompletely miscible
Primary ApplicationsCooling water system microbiological control


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