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Coatings Ingredients
The material selection platform
Coatings Ingredients
by SpecialChem
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Preventol® P 301

Technical Datasheet | Supplied by Lanxess
Preventol® P 301 by Lanxess is VOC-free, water-based, in-can preservative based on bronopol/isothiazolines. It is used for the preservation of aqueous coatings. It offers broad and balanced spectrum of activity against bacteria (aerobic & anaerobic), mold fungi and yeast. The recommended addition for emulsion paints is 0.10-0.30% by weight. It is distinguished by a rapid onset of action. It enables the effective prevention of subsequent microbial damage and formation of enzymes in coatings. The ideal pH for the use of Preventol® P 301 ranges from slightly acidic to slightly alkaline. The shelf life of this product is 24 months.
Preventol® P 301
Technical Datasheet | Supplied by Lanxess
Product Type
  • Biocides > Biocides, In-can Preservatives > CMIT / MIT
  • Biocides > Biocides, In-can Preservatives > Bronopols
Chemical Composition
Blend of 2-bromo-2-nitro-1,3-propanediol and isothiazolinones
Physical Form
Colorless to light yellow
Product Status
Applications/ Recommended for
Coatings > Waterborne

Preventol® P 301 Properties


Value & Unit
Test Condition
Test Method
Vapor Pressure
27 mbar
(At 20°C)
Vapor Pressure
120 mbar
(At 50°C)
1.4 mPa-s
(At 20°C)
DIN 53019
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