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

Defros CM29 Preservative

Defros CM29 Preservative is a broad-spectrum biocide from the Defros CM Series, formulated with isothiazolinone derivatives for effective microbial control in water-based industrial systems including paints, adhesives and metalworking fluids. It offers excellent stability, low toxicity and compatibility with anionic/cationic formulations while resisting thermal and pH degradation.
  • defros cm29 preservative_89806a95
  • defros cm29 preservative_89806a95

Features Of Defros CM29 Preservative

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

  2. pH stable in the range of 3.0–9.0, ensuring compatibility with diverse formulation systems.

  3. Low volatility and excellent thermal stability up to 120°C during processing.

  4. Non-oxidizing and non-corrosive to common industrial metals and packaging materials.

  5. Eco-preferred profile with low aquatic toxicity and ready biodegradability (OECD 301B compliant).

Typical Applications Of Defros CM29 Preservative

  1. Water-based architectural coatings and decorative paints.

  2. Industrial maintenance coatings and protective primers.

  3. Adhesives and sealants for construction and assembly applications.

  4. Printing inks, especially aqueous flexographic and gravure formulations.

  5. Construction chemicals including tile grouts, cementitious renders, and polymer-modified mortars.

Specifications Of Defros CM29 Preservative

Chemical TypeIsothiazolinone-based blend (CMIT/MIT ratio optimized)
Product FormClear, amber liquid
AppearanceHomogeneous, free from visible particles or phase separation
Active Content (as CMIT/MIT)1.5 ± 0.2% w/w
Density (20°C)1.02–1.06 g/cm³
pH (1% aqueous solution)2.5–4.0
SolubilityCompletely miscible with water and common polar organic solvents
Shelf Life (unopened, 5–25°C)24 months from date of manufacture


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