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Coatings Ingredients
The material selection platform
Coatings Ingredients
by SpecialChem
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Preventol® P 91 MV

Technical Datasheet | Supplied by Lanxess
Preventol® P 91 MV by Lanxess is VOC-, solvent-free, in-can preservative based on bronopol/isothiazolinones. It is used in the preservation of aqueous paints & coatings. It offers broad and balanced spectrum of activity against bacteria, mold fungi and yeast. It is distinguished by a relatively rapid onset of action. Therefore, microbial growth and release of enzymes is effectively inhibited in paints. The recommended addition levels for coatings & paints is 0.05-0.20% by weight. The shelf life of Preventol® P 91 MV is 2 years.
Preventol® P 91 MV
Technical Datasheet | Supplied by Lanxess
Product Type
  • Biocides > Biocides, In-can Preservatives > Bronopols
  • Biocides > Biocides, In-can Preservatives > CMIT / MIT
Chemical Composition
Aqueous solution of 2-bromo-2-nitropropane-1,3-diol and isothiazolinones
Physical Form
Colorless to weakly yellow
Product Status
Applications/ Recommended for
  • Coatings > Waterborne
  • Coatings > Solvent-Free/ High-Solids

Preventol® P 91 MV Properties


Value & Unit
Test Condition
Test Method
1.01 - 1.12 g/cm3
(At 20°C)
Vapor Pressure
23 mbar
(At 20°C)
Vapor Pressure
107 mbar
(At 50°C)

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