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

Defros D29 Preservative

Defros D29 Preservative is a high-performance, broad-spectrum biocide from the Defros D-Series, specifically formulated for water-based industrial systems. It effectively controls bacteria, fungi, and algae while offering excellent thermal and pH stability. Compatible with emulsions, paints, and adhesives, it ensures long-term preservation without compromising formulation integrity or performance.
  • defros d29 preservative_5fdbf8c7
  • defros d29 preservative_5fdbf8c7

Features Of Defros D29 Preservative

  1. Broad-spectrum antimicrobial activity against bacteria, yeasts, and molds.

  2. pH-stable performance across a wide range of 3.0–10.0, ensuring compatibility with diverse formulations.

  3. Low volatility and excellent thermal stability, supporting processing at elevated temperatures.

  4. Non-oxidizing chemistry, minimizing risk of discoloration or degradation in sensitive systems.

  5. Eco-friendly profile with favorable toxicological and environmental safety data for industrial use.

Typical Applications Of Defros D29 Preservative

  1. Water-based paints and architectural coatings.

  2. Industrial metalworking fluids and coolants.

  3. Adhesives and sealants, including acrylic and latex formulations.

  4. Construction chemicals such as grouts, mortars, and tile adhesives.

  5. Printing inks and pigment dispersions.

Specifications Of Defros D29 Preservative

Chemical TypeMixture of isothiazolinones and synergistic stabilizers
Product FormClear to slightly hazy aqueous solution
AppearanceColorless to pale yellow liquid
Active Content2.9% w/w total isothiazolinone actives
pH (1% aqueous solution)3.5–5.0
Density (20°C)1.02–1.05 g/cm³
SolubilityCompletely miscible with water and common polar solvents
Storage Stability≥24 months at 5–25°C in original sealed container


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