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

Lonza PROXEL XL2 Preservative

Lonza PROXEL XL2 Preservative is a broad-spectrum, formaldehyde-releasing biocide from Lonza’s PROXEL series, designed for industrial water-based formulations. It effectively controls bacteria, yeast, and mold in paints, adhesives, and construction chemicals. Offering excellent stability, low toxicity, and compatibility with anionic/cationic systems, it ensures long-term preservation without compromising product performance or regulatory compliance.
  • lonza proxel xl2 preservative_535f0208
  • lonza proxel xl2 preservative_535f0208

Features Of Lonza PROXEL XL2 Preservative

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

  2. Excellent stability in aqueous systems across a wide pH range (pH 3–10).

  3. Low toxicity profile with favorable regulatory status for industrial use.

  4. Compatible with common surfactants, thickeners, and other formulation ingredients.

  5. Non-oxidizing chemistry—minimizes risk of corrosion or material degradation.

Typical Applications Of Lonza PROXEL XL2 Preservative

  1. Latex paints and architectural coatings.

  2. Water-based adhesives and sealants.

  3. Industrial cleaning formulations.

  4. Printing inks and pigment dispersions.

  5. Construction chemicals including grouts and mortars.

Specifications Of Lonza PROXEL XL2 Preservative

Chemical TypeIsothiazolinone-based biocide (mixture of 1,2-benzisothiazol-3(2H)-one and 5-chloro-2-methyl-4-isothiazolin-3-one)
Product FormAqueous solution
AppearanceClear, light yellow to amber liquid
pH (1% aqueous solution)2.5–4.5
Density (20 °C)1.08–1.12 g/cm³
SolubilityCompletely miscible with water
Primary ApplicationsPreservation of water-based industrial products
Key FeaturesFast-acting, low-dose efficiency, long-term storage stability


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