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Coatings Ingredients
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Coatings Ingredients
by SpecialChem
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Preventol® DBC

Technical Datasheet | Supplied by Lanxess
Preventol® DBC by Lanxess is a universal, in-can preservative. It is a light-colored, aqueous dispersion of the biocidal active ingredients dibromodicyanobutane (DBDCB) and two isothiazolinones, BIT and CMIT/MIT [3:1]. It offers broad spectrum of activity against bacteria, mold, fungi and yeasts. It provides alkaline stability up to pH 9 & thermal stability up to 55°C. It is formaldehyde-free grade. It contains no organic solvents or VOCs. Therefore, this preservative is particularly suited to applications in which products with a low or zero VOC content are to be protected, e.g. low-emission interior paints. The optimized ratio allows to use this combination for products in accordance to ecolabel for paints and varnishes. It is used in aqueous coatings. The dosage level of the grade for emulsion paints is 0.10-0.30 % wt. The shelf life of Preventol® DBC is 1 year.
Preventol® DBC
Technical Datasheet | Supplied by Lanxess
Product Type
  • Biocides > Biocides, In-can Preservatives > BIT
  • Biocides > Biocides, In-can Preservatives > CMIT / MIT
  • Biocides > > Biocides, In-can Preservatives > > DBDCB
Chemical Composition
Aqueous dispersion of dibromodicyanobutane and isothiazolinones
Physical Form
White to beige
Product Status
Applications/ Recommended for
Coatings > Waterborne

Preventol® DBC Properties


Value & Unit
Test Condition
Test Method
1.07 g/cm3
(At 20°C)
250 - 500 mPa-s
(At 20°C. 30/s)
4 - 7
(At 10%)

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