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

Defros BTL Preservative

Defros BTL Preservative is a high-performance biocidal preservative from the Defros BTL series, specifically formulated for water-based industrial coatings and adhesives. It offers broad-spectrum protection against bacteria, fungi, and algae with low toxicity and excellent compatibility. Its stable liquid form ensures easy incorporation and long-term efficacy without compromising product clarity or viscosity.
  • defros btl preservative_77ede53c
  • defros btl preservative_77ede53c

Features Of Defros BTL Preservative

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

  2. Excellent compatibility with water-based formulations including emulsions and latex systems.

  3. pH-stable performance across pH 3.0–9.5, ensuring reliability in diverse formulation environments.

  4. Low volatility and minimal odor, supporting safer handling and improved workplace acceptability.

  5. Non-oxidizing chemistry, reducing risk of corrosion to metal packaging and process equipment.

Typical Applications Of Defros BTL Preservative

  1. Water-based architectural coatings and decorative paints.

  2. Industrial maintenance coatings and protective primers.

  3. Adhesives and sealants, especially acrylic and PVA-based systems.

  4. Construction chemicals including grouts, tile adhesives, and render mortars.

  5. Textile auxiliaries and nonwoven fabric treatment formulations.

Specifications Of Defros BTL Preservative

Chemical TypeBlend of isothiazolinones and synergistic preservative agents
Product FormLiquid
AppearanceClear, pale yellow to amber liquid
Primary ApplicationsPreservation of water-based industrial and construction formulations
Key FeaturesBroad-spectrum biocide, low-dose efficacy, thermal stability up to 60°C
BenefitsExtended shelf life, reduced microbial spoilage, compliance with major global regulatory frameworks
Storage ConditionsStore at 5–30°C in original sealed container; protect from freezing and direct sunlight
Shelf Life24 months from date of manufacture under recommended storage conditions


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