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

Lonza Densil DN Antimicrobial

Lonza Densil DN Antimicrobial is a broad-spectrum, non-leaching antimicrobial additive from Lonza’s Densil series designed for polymer matrices. It delivers durable protection against bacteria, fungi, and algae without compromising material properties or regulatory compliance. Ideal for plastics, coatings, and construction materials requiring long-term microbial resistance under diverse environmental conditions.
  • lonza densil dn antimicrobial_6bc433bf
  • lonza densil dn antimicrobial_6bc433bf

Features Of Lonza Densil DN Antimicrobial

  1. Broad-spectrum antimicrobial efficacy against bacteria, fungi, and algae.

  2. Excellent compatibility with water-based polymer systems including acrylics, vinyl acetates, and styrene-butadiene emulsions.

  3. Low volatility and minimal odor—ideal for indoor applications and sensitive environments.

  4. Persistent protection without compromising film integrity or color stability of finished coatings.

  5. REACH-compliant and registered under the U.S. EPA TSCA Inventory.

Typical Applications Of Lonza Densil DN Antimicrobial

  1. Interior and exterior architectural paints and coatings.

  2. Water-based adhesives and sealants.

  3. Textile and nonwoven finishing formulations.

  4. Construction materials such as cementitious renders and plasters.

  5. Wood coatings and primers for moisture-prone substrates.

Specifications Of Lonza Densil DN Antimicrobial

Chemical TypeIsothiazolinone-based biocide blend
Product FormLiquid
AppearanceClear to slightly hazy, pale yellow liquid
pH (1% aqueous solution)3.0 – 5.0
Density (20 °C)1.08 – 1.12 g/cm³
SolubilityMiscible with water and common organic solvents (e.g., glycols, alcohols)
Primary ApplicationsPreservation of water-based industrial coatings and construction products
Key FeaturesNon-oxidizing, metal-ion stable, low leaching potential


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