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

Defros CN20 Preservative

Defros CN20 Preservative is a high-performance, broad-spectrum biocide from the Defros brand’s CN Series, specifically formulated for industrial water systems. It effectively controls bacteria, fungi, and algae without volatile organic compounds. Compatible with common polymers and stable across pH 6–9, it ensures long-term preservation with low dosage efficiency and minimal environmental impact.
  • defros cn20 preservative_f07d1f25
  • defros cn20 preservative_f07d1f25

Features Of Defros CN20 Preservative

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

  2. pH-stable performance across a wide range of 4.0–9.5, ensuring compatibility with diverse formulations.

  3. Low toxicity profile with favorable environmental and handling safety characteristics (non-VOC, non-formaldehyde-releasing).

  4. Excellent thermal and hydrolytic stability, maintaining efficacy during processing and long-term storage.

  5. Easy incorporation into aqueous systems with minimal impact on viscosity, odor, or clarity.

Typical Applications Of Defros CN20 Preservative

  1. Water-based architectural coatings and decorative paints.

  2. Industrial maintenance coatings and corrosion-inhibiting primers.

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

  4. Construction chemicals such as tile grouts, cementitious renders, and waterproofing slurries.

  5. Textile and leather auxiliaries requiring microbial control in wet-end processes.

Specifications Of Defros CN20 Preservative

Chemical TypeIsothiazolinone-based biocide blend
Product FormAqueous solution
AppearanceClear to slightly opalescent, pale yellow liquid
pH (1% aqueous solution)6.0 – 8.0
Density (20°C)1.02 – 1.06 g/cm³
SolubilityCompletely miscible with water; compatible with most common surfactants and polymers
Primary ApplicationsPreservation of water-based industrial formulations
Key FeaturesNon-oxidizing, non-volatile, low-foaming, and EU Biocidal Products Regulation (BPR)-compliant


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

Your Name *

Your Email *

Your Phone

Country

Your Message *