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

Defros M3 Preservative

Defros M3 Preservative is a high-performance, broad-spectrum biocide from the Defros Preservative Series designed for water-based industrial formulations. It effectively controls bacteria, fungi, and algae without formaldehyde or MIT. Ideal for paints, coatings, adhesives, and metalworking fluids. Offers excellent thermal and pH stability, low odor, and compliance with global regulatory standards including EU BPR and US EPA.
  • defros m3 preservative_5f0f0c64
  • defros m3 preservative_5f0f0c64

Features Of Defros M3 Preservative

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

  2. pH-stable performance across pH range 3.0–9.0, ensuring compatibility in diverse formulations.

  3. Low volatility and excellent thermal stability up to 80°C during processing and storage.

  4. Non-irritating and non-sensitizing profile, supporting compliance with international cosmetic safety guidelines.

  5. Compatible with common surfactants, polymers, and chelating agents without precipitation or efficacy loss.

Typical Applications Of Defros M3 Preservative

  1. Personal care products including shampoos, conditioners, and body washes.

  2. Home care formulations such as liquid detergents, all-purpose cleaners, and fabric softeners.

  3. Water-based industrial coatings and architectural paints.

  4. Agrochemical adjuvants and pesticide concentrates requiring microbial stabilization.

  5. Pharmaceutical topical emulsions and aqueous ointment bases.

Specifications Of Defros M3 Preservative

Chemical TypeIsothiazolinone-based preservative blend
Product FormAqueous solution
AppearanceClear, pale yellow liquid
OdorCharacteristic mild sulfurous odor
Density (20°C)1.02–1.06 g/cm³
SolubilityCompletely miscible with water and polar solvents
Shelf Life24 months from date of manufacture when stored at 5–25°C
Primary ApplicationsPreservation of aqueous, non-sterile, multi-component formulations


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