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

Eastman KDDC Biocide

Eastman KDDC Biocide is a broad-spectrum, non-oxidizing biocide from Eastman’s KDDC series, formulated with 2,2-dibromo-3-nitrilopropionamide (DBNPA) for rapid microbial control in industrial water systems, oilfield applications, and coatings. It offers excellent efficacy against bacteria, fungi, and algae with low treatment dosage and fast kill kinetics.
  • eastman kddc biocide_3a6c2d06
  • eastman kddc biocide_3a6c2d06

Features Of Eastman KDDC 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 in the presence of 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 challenging microbial environments.

  5. Non-volatile and non-corrosive to mild steel and copper alloys when used at recommended dosage levels.

Typical Applications Of Eastman KDDC Biocide

  1. Cooling tower water treatment in HVAC and industrial process systems.

  2. Once-through and closed-loop recirculating cooling water systems.

  3. Process water circuits in paper mills, food & beverage plants, and textile facilities.

  4. Make-up water lines and storage tanks prone to biofilm formation.

  5. Pretreatment systems upstream of membrane filtration and reverse osmosis units.

Specifications Of Eastman KDDC Biocide

Chemical TypeIsothiazolinone-based non-oxidizing biocide (5-chloro-2-methyl-4-isothiazolin-3-one / 2-methyl-4-isothiazolin-3-one blend)
Product FormAqueous liquid solution
AppearanceClear, pale yellow to amber liquid
pH (as supplied)2.0–4.0
Density (at 20 °C)1.02–1.06 g/cm³
Active Ingredient Content1.5% w/w total isothiazolinones
Primary ApplicationsNon-oxidizing biocide for industrial water treatment
Key FeaturesFast-acting, residual control, low toxicity to aquatic life when dosed per guidelines


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