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

Defros BM Preservative

Defros BM Preservative is a high-performance biocide from the Defros series designed for industrial water treatment. It effectively controls bacteria fungi and algae in cooling towers process water and oilfield applications. Featuring broad-spectrum activity low toxicity and excellent material compatibility it ensures system reliability and extends equipment life. Formulated for stability across varying pH and temperature ranges it delivers consistent microbial control with minimal dosing.
  • defros bm preservative_7c1ac5e7
  • defros bm preservative_7c1ac5e7

Features Of Defros BM Preservative

  1. Broad-spectrum biocidal activity against bacteria, fungi, and algae.

  2. Excellent stability in water-based formulations across pH 4–10.

  3. Low volatility and minimal odor, enhancing workplace safety and user acceptance.

  4. Compatible with common thickeners, surfactants, and co-biocide systems.

  5. Non-oxidizing chemistry, reducing corrosion risk in metal-containing systems.

Typical Applications Of Defros BM Preservative

  1. Preservation of architectural paints and coatings.

  2. Protection of industrial water-based adhesives and sealants.

  3. Stabilization of construction mortars and grouts.

  4. Microbial control in textile auxiliaries and dye baths.

  5. Long-term preservation of latex dispersions and polymer emulsions.

Specifications Of Defros BM Preservative

Chemical TypeBlend of isothiazolinones and synergistic preservatives
Product FormClear to slightly hazy aqueous solution
AppearanceColorless to pale yellow liquid
pH (1% aqueous solution)3.5 – 5.5
Density (20°C)1.08 – 1.12 g/cm³
SolubilityMiscible with water; compatible with most polar organic solvents
Storage Stability≥24 months at 5–30°C in original sealed container
Primary ApplicationsWater-based industrial formulations requiring broad-spectrum microbial control


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