Proxel® BD20

Proxel® BD20 by Arxada is an efficient microbiostat preservative. Offers effective control over a wide range of organisms at economic concentrations. Exhibits long-term storage stability and ease of use due to its liquid form and good compatibility in most aqueous compositions. Proxel® BD20 is used in paper coatings.

Overview

Proxel® BD20 is a broad-spectrum, BIT-based in-can preservative designed for use in water-based formulations that require long-lasting microbial control. Manufactured by LANXESS, it contains 20% active 1,2-Benzisothiazolin-3-one, offering high efficacy even at low dosages. Proxel® BD20 is formaldehyde-free, making it suitable for eco-conscious and regulatory-sensitive applications. It is ideal for protecting products such as paints, adhesives, construction chemicals, emulsions, and home care products from bacteria, mold, and yeast during storage.

Benefits

  • High Active Concentration (20%) for enhanced performance

  • Formaldehyde-Free – Meets stringent global eco-label and consumer safety standards

  • Broad-Spectrum Efficacy against bacteria, yeast, and mold

  • Low Odor Profile – Minimal impact on end-product fragrance

  • Excellent pH Stability (pH 4–12) suitable for diverse water-based systems

  • Compatible with a wide range of raw materials and formulation chemistries

Applications

  • Paints and Coatings – Safeguards waterborne decorative and industrial paints from spoilage.

  • Polymer Dispersions – Ensures long-term stability of acrylics, latexes, and synthetic emulsions.

  • Adhesives & Sealants – Provides preservation in pressure-sensitive adhesives and binders.

  • Construction Chemicals – Used in plasters, fillers, tile adhesives, and grouts to prevent microbial degradation.

  • Detergents and Household Cleaners – Maintains product integrity during shelf life.

  • Printing Inks & Pigment Pastes – Prevents microbial contamination of aqueous ink systems.

Properties Table

PropertyDetails
Product NameProxel® BD20
ManufacturerLANXESS (formerly Lonza)
Chemical TypeIn-can preservative (BIT-based)
Active Ingredient1,2-Benzisothiazolin-3-one (BIT) – 20%
Physical FormLiquid concentrate
AppearancePale yellow to amber liquid
OdorMild, characteristic
pH (as supplied)9.0 – 10.5
SolubilityWater-miscible
Density @ 20 °C~1.10 g/cm³
Flash Point>100 °C
Recommended Use Level0.05% – 0.3% depending on system and microbial sensitivity
pH Stability Range4 – 12
Shelf Life18 months in unopened original packaging
PackagingAvailable in 25 kg / 200 kg HDPE drums or IBC totes

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