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

Lonza PROXEL LS Preservative

Lonza PROXEL LS Preservative is a broad-spectrum biocide from Lonza’s PROXEL® series, formulated with 1,2-benzisothiazolin-3-one (BIT) for effective microbial control in water-based industrial formulations, including paints, adhesives, and metalworking fluids—offering stability, low toxicity, and compliance with global regulatory standards.
  • lonza proxel ls preservative_a8acb10e
  • lonza proxel ls preservative_a8acb10e

Features Of Lonza PROXEL LS Preservative

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

  2. Low-toxicity formulation suitable for use in low-VOC and eco-labeled products.

  3. Excellent stability across a wide pH range (pH 4–10) and in the presence of common surfactants and electrolytes.

  4. Non-oxidizing chemistry ensures compatibility with reducing agents and sensitive active ingredients.

  5. Easy to handle liquid form with consistent performance and long shelf life under recommended storage conditions.

Typical Applications Of Lonza PROXEL LS Preservative

  1. Water-based architectural coatings and interior paints.

  2. Industrial maintenance coatings and protective finishes.

  3. Adhesives, sealants, and construction mastics.

  4. Printing inks and pigment dispersions.

  5. Textile auxiliaries and nonwoven treatment formulations.

Specifications Of Lonza PROXEL LS Preservative

Chemical TypeIsothiazolinone-based blend (primarily 1,2-benzisothiazolin-3-one and methylisothiazolinone)
Product FormClear to slightly hazy, pale yellow liquid
AppearanceHomogeneous free-flowing liquid
pH (1% aqueous solution)3.5 – 5.5
Density (20 °C)1.08 – 1.12 g/cm³
SolubilityCompletely miscible with water and most polar organic solvents
Primary ApplicationsPreservation of water-based industrial and coating formulations
Key FeaturesLow odor, non-volatile, metal-ion tolerant


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