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

Dow ZOLDINE IG50 Biocide

Dow ZOLDINE IG50 Biocide is a broad-spectrum isothiazolinone-based industrial biocide from Dow’s ZOLDINE series. It effectively controls bacteria fungi and algae in water systems including cooling towers and process waters. Designed for continuous or slug dosing it offers rapid kill kinetics and long-lasting protection with low toxicity and favorable environmental profile.
  • dow zoldine ig50 biocide_2c4e146d
  • dow zoldine ig50 biocide_2c4e146d

Features Of Dow ZOLDINE IG50 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 common water treatment additives.

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

  4. Compatible with oxidizing biocides for synergistic control in hybrid treatment programs.

  5. Non-volatile and non-corrosive to mild steel, copper, and stainless steel alloys under recommended dosing.

Typical Applications Of Dow ZOLDINE IG50 Biocide

  1. Cooling water systems in power generation and HVAC facilities.

  2. Process water circuits in pulp and paper manufacturing.

  3. Recirculating water in metalworking fluid sumps and central coolant systems.

  4. Make-up water treatment for closed-loop industrial heat exchange systems.

  5. Preservation of aqueous-based coatings, adhesives, and emulsions during storage.

Specifications Of Dow ZOLDINE IG50 Biocide

Chemical TypeIsothiazolinone-based blend (active: 50% 2-methyl-4-isothiazolin-3-one and 5-chloro-2-methyl-4-isothiazolin-3-one)
Product FormLiquid concentrate
AppearanceClear, amber-colored liquid
Primary ApplicationsIndustrial water treatment, metalworking fluids, coatings, and adhesives preservation
pH (1% aqueous solution)3.5–5.0
Density (25°C)1.12–1.16 g/cm³
SolubilityMiscible with water in all proportions
Storage Stability≥24 months at 5–30°C in original sealed container


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *