For Long Lasting Dryfilm Preservation 

Selecting the right dryfilm preservative for your application can be challenging. The biocide needs to be compatible with your formulation, low leaching, and inhibit the mold growth on your product depending on the application. DuPont offers a broad and versatile microbial control products that can provide the protection you need and meet the regulatory requirements of the modern market.


Explore Dryfilm Protection Chemistries:

The DuPont team at ChemPoint is available for your assistance and product recommendations. You can begin with exploring the available chemistries for microbial protection and drfilm preservation:

    DCOIT Technology

    • Dryfilm protection against fungi, algae, and mildew
    • Ultra low leaching for long lasting dryfilm protection
    • Boosts bacterial and fungal in-can protection
    • Reduced cost-to-treat compared to other chemistries

    OIT Technology

    • Dryfilm protection against fungi
    • Boosts the fungal in-can protection in coatings and building materials
    • Improved protection in exterior coating applications
    • Excellent synergy with zinc oxides
    • Suitable for water and solvent borne formulations

    DIMTS Technology
    (diiodomethyl-p-tolyl sulfone)

    • Iodine-based products with excellent performance in dryfilm preservation
    • Ultra low leaching for long lasting dryfilm protection
    • Available in liquid and solid forms for the protection of adhesives, coatings, and building materials

    Combination Technology
    (OIT + BCM + Diuron)

    • Blended product that is based on OIT, Diuron, and Carbendazim
    • Fungal protection with OIT and carbendazim
    • Algae protection with Diuron
    • Excellent option for exterior paints and coatings

Select Your Dryfilm Preservative from DuPont

To formulate a product that will stand the test of time, it is essential to protect the dryfilm from fungal and algae contaminations. The optimal dryfilm preservative package will vary by product and by application. Explore DuPont Microbial Control products for dryfilm preservation:

    Product Name
    Active Ingredient(s)
    Building Materials
    BIOBAN™ 20020% DCOITAqueous
    LiquidB**, F, A***
    ✓ ✓ ✓
    ✓ ✓ ✓✓ ✓ ✓
    ROZONE™ 200020% DCOITAqueous
    LiquidB**, F, A***
    ✓ ✓ ✓
    ✓ ✓ ✓✓ ✓ ✓
    O 45
    45% OITGlycolLiquidF
    ✓ ✓
    ✓ ✓✓ ✓
    AMICAL™ Flowable40% DIMTSGlycolLiquidF
    ✓ ✓ ✓✓ ✓ ✓
    AMICAL™ 4895% DIMTSN/ASolidF
    ✓ ✓✓ ✓ ✓
    ROCIMA™ 632.7% OIT + 7.5% BCM + 20% DiuronAqueous
    LiquidF, A✓ ✓ ✓

* Efficacy: B: Bacteria, F: Fungi, A: Algae.
** DCOIT has activity against bacteria, but DCOIT alone is not sufficient for complete protection against bacteria.
*** DCOIT may not provide adequate broad-spectrum protection against algae in all formulations and environments.

✓ ✓ ✓   Excellent
✓ ✓       Good
✓           Depending on the application and the formulation

If you are unsure which chemistry is best suitable for your application, select your industry below to try our selector guide or contact us to speak with a specialist for a product recommendation. 

Dryfilm Preservatives for Adheisves


Dryfilm Preservatives for Coatings


Dryfilm Preservatives for Building Materials

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