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

Defros CN46 Preservative

Defros CN46 Preservative is a high-performance, broad-spectrum biocide from the Defros Preservative Series, specifically formulated for water-based coatings and adhesives. It effectively controls bacteria, fungi, and algae without formaldehyde or isothiazolinones. Compatible with acrylics, vinyl acetates, and PVA systems, it ensures long-term stability and low-odor performance in industrial applications.
  • defros cn46 preservative_b6db6021
  • defros cn46 preservative_b6db6021

Features Of Defros CN46 Preservative

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

  2. pH-stable performance across pH 3.0–9.0, ensuring compatibility with diverse formulation systems.

  3. Low volatility and excellent thermal stability, supporting high-temperature processing conditions.

  4. Non-oxidizing chemistry, minimizing risk of corrosion or degradation in metal-containing systems.

  5. Eco-friendly profile with low aquatic toxicity and ready biodegradability per OECD 301 series tests.

Typical Applications Of Defros CN46 Preservative

  1. Water-based architectural coatings and decorative paints.

  2. Industrial maintenance coatings for marine and infrastructure applications.

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

  4. Printing inks—especially aqueous flexographic and gravure inks.

  5. Construction chemicals such as grouts, tile adhesives, and cementitious waterproofing slurries.

Specifications Of Defros CN46 Preservative

Chemical TypeBlend of isothiazolinones and synergistic co-biocide
Product FormClear to slightly hazy liquid
AppearanceColorless to pale yellow liquid
Primary ApplicationsPreservation of water-based industrial and coating formulations
Key FeaturesBroad-spectrum efficacy, pH robustness, low odor, non-volatile
BenefitsExtended shelf life, reduced microbial spoilage, compatibility with common thickeners and surfactants
Recommended Use Level0.05–0.20% (w/w) active ingredient in final product
Storage ConditionsStore at 5–30°C in original sealed container; avoid freezing


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