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

Lonza PROXEL BD20 Preservative

Lonza PROXEL BD20 Preservative is a broad-spectrum biocide from Lonza’s PROXEL® series, featuring 2-methyl-4-isothiazolin-3-one (MIT) and 5-chloro-2-methyl-4-isothiazolin-3-one (CMIT) as active ingredients. It delivers effective microbial control in water-based industrial formulations, offering stability across pH 2–12 and low-temperature performance. Widely used in paints, adhesives, and metalworking fluids for long-term preservation.
  • lonza proxel bd20 preservative_5b36ddfa
  • lonza proxel bd20 preservative_5b36ddfa

Features Of Lonza PROXEL BD20 Preservative

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

  2. Excellent stability in water-based formulations across a wide pH range (pH 4–10).

  3. Low toxicity profile with favorable regulatory acceptance for industrial applications.

  4. Compatible with common surfactants, thickeners, and chelating agents.

  5. Non-oxidizing chemistry ensures minimal impact on product oxidation or color stability.

Typical Applications Of Lonza PROXEL BD20 Preservative

  1. Latex paints and architectural coatings.

  2. Industrial cleaning solutions and metalworking fluids.

  3. Adhesives and sealants (water-based systems).

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

  5. Printing inks and pigment dispersions.

Specifications Of Lonza PROXEL BD20 Preservative

Chemical TypeBenzisothiazolinone (BIT)-based biocide
Product FormAqueous solution
AppearanceClear, pale yellow liquid
pH (1% aqueous solution)6.5–8.5
Active Ingredient Content2.0 ± 0.2% w/w BIT
Density (20°C)1.02–1.06 g/cm³
SolubilityCompletely miscible with water
Storage Stability≥24 months at 5–25°C in original sealed container


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