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

Lonza PROXEL GL20 Preservative

Lonza PROXEL GL20 Preservative is a broad-spectrum biocide from Lonza’s PROXEL series, formulated with 20% active isothiazolinone blend. It delivers robust microbial control in water-based industrial systems, including paints, coatings, adhesives and metalworking fluids. Highly effective against bacteria, fungi and algae, it ensures long-term product stability and shelf-life extension under varied pH and temperature conditions.
  • lonza proxel gl20 preservative_7c2b0d68
  • lonza proxel gl20 preservative_7c2b0d68

Features Of Lonza PROXEL GL20 Preservative

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

  2. Low toxicity profile with favorable occupational health and safety characteristics.

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

  4. Stable across a wide pH range (pH 3–10) under typical formulation conditions.

  5. Non-oxidizing and non-corrosive to common processing equipment and packaging materials.

Typical Applications Of Lonza PROXEL GL20 Preservative

  1. Water-based architectural coatings and decorative paints.

  2. Industrial maintenance coatings and protective finishes.

  3. Adhesives and sealants for construction and assembly applications.

  4. Printing inks, especially aqueous flexographic and gravure formulations.

  5. Agrochemical concentrates and crop protection adjuvants.

Specifications Of Lonza PROXEL GL20 Preservative

Chemical TypeIsothiazolinone-based biocide (active ingredients: 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one)
Product FormAqueous solution
AppearanceClear, light yellow to amber liquid
pH (1% aqueous solution)2.5 – 4.5
Active Content (as sum of CMIT/MIT)2.0 ± 0.2 wt%
Density (20 °C)1.08 – 1.12 g/cm³
SolubilityCompletely miscible with water
Storage Stability≥ 24 months at 5–25 °C in original sealed container


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