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Coatings Ingredients
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Coatings Ingredients
by SpecialChem
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Preventol® BIT 20 D

Technical Datasheet | Supplied by Lanxess
Preventol® BIT 20 D by Lanxess is formaldehyde- & halogen-free, in-can preservative based on benzisothiazolinone. It is used for the preservation of aqueous coatings. It is a water-based, solvent- and VOC-free dispersion, it is further supported by the approval of BIT up to a dosage of 200 ppm (=0.10%) according to German Blue Angel (RAL-UZ 102). It offers broad spectrum of activity against bacteria, mold fungi and yeasts. Preventol® BIT 20 D provides high alkaline stability, can even be used at very high pH values (>10). Also, displays outstanding thermal stability combined with low volatility. It is free of organic solvent and is suitable for low-emission paints for interior applications. This additive possesses good thermal and chemical stability. The suggested addition level for emulsion paints is 0.05-0.25% by weight. The shelf life of this product is two years.
Preventol® BIT 20 D
Technical Datasheet | Supplied by Lanxess
Product Type
Biocides > Biocides, In-can Preservatives > BIT
Chemical Composition
Aqueous dispersion of 1,2-benzisothiazolin-3-one
Physical Form
Light colored
Product Status
Applications/ Recommended for
  • Coatings > Waterborne
  • Coatings > Solvent-Free/ High-Solids
  • Coatings Markets > Architectural / Decorative > Interior wall coatings

Preventol® BIT 20 D Properties


Value & Unit
Test Condition
Test Method
1,2-Benzisothiazolin-3-one Content
20 %
1.01 - 1.10 g/cm3
(At 20°C)
Vapor Pressure
22 mbar
(At 20°C)
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