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

Defros P19 Preservative

Defros P19 Preservative is a broad-spectrum biocide from the Defros series, formulated with isothiazolinone derivatives for effective microbial control in water-based industrial systems, including paints, adhesives, and metalworking fluids. It offers long-term stability, low toxicity, and compliance with global regulatory standards like EU BPR and EPA guidelines.
  • defros p19 preservative_2ed57cee
  • defros p19 preservative_2ed57cee

Features Of Defros P19 Preservative

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

  2. Excellent compatibility with anionic, nonionic, and amphoteric surfactants.

  3. pH-stable performance across 3.0–10.0, ensuring efficacy in diverse formulation environments.

  4. Low odor and non-volatile, supporting sensory-sensitive personal care and household products.

  5. Readily biodegradable under OECD 301 standards, aligning with sustainable ingredient requirements.

Typical Applications Of Defros P19 Preservative

  1. Shampoos and liquid hair conditioners.

  2. Body washes and shower gels.

  3. Liquid hand soaps and facial cleansers.

  4. Household cleaning concentrates and all-purpose cleaners.

  5. Water-based industrial metalworking fluids.

Specifications Of Defros P19 Preservative

Chemical TypeIsothiazolinone-based blend (methylisothiazolinone + benzisothiazolinone)
Product FormClear to slightly hazy aqueous solution
AppearanceColorless to pale yellow liquid
Active Content1.9% w/w total isothiazolinones
OdorFaint characteristic odor
Density (20°C)1.02–1.05 g/cm³
SolubilityCompletely miscible with water
Storage Stability≥24 months at 5–25°C in original sealed container


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