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DOWSIL™ 700P Additive

  • Overview

    Provides high efficiency to disperse inorganic pigment, especially titanium dioxide.

    Reduces Pigment Flooding and Floating

    Low Yellowing Under High-Temperature Conditions

    Low-VOC and Low-Odor

    Power Up Your Coatings

    Improve dispersion of TiO2 pigments in solvent-based paints, reduce the risk of flooding and floating, and reduce yellowing at high temperatures with an innovative silicone additive from Dow Consumer Solutions.

    If improving the dispersion of titanium dioxide pigments, improving gloss and reducing haze, and improving resistance to yellowing during high-bake or over-bake conditions are important to you, consider DOWSIL™ 700P Additive.

    About DOWSIL 700P Additive

    At very low concentrations, this siloxane-based dispersant effectively disperses inorganic pigments, preventing pigment flooding and floating in solvent-based formulations – particularly TiO2-based whites, grays and pastel shades. It offers good cost-in-use compared to competitive products, and compared to organic dispersants, it is remarkably resistant to yellowing at high temperatures. Plus, it can be added in pigment grind or during let-down for formulating flexibility.

    Targeted Applications and Markets

    • Wood coatings 
    • Protective coatings 
    • Industrial coatings
    • Automotive OEM and refinish paints 
    • Printing inks 
    • Pigment pastes

    Advantages of DOWSIL 700P Additive

    • Highly efficient dispersant for titanium dioxide pigments in a broad range of solventborne paints and inks 
    • Improves pigment utilization and reduces millbase viscosity 
    • Provides high gloss and low haze Low yellowing under high-temperature conditions 
    • Reduces pigment flooding and floating for improved color consistency and color matching
    • Low-VOC and low-odor

    Highly Efficient

    Effective at a much lower dosage than competitive dispersants, DOWSIL 700P Additive also delivers higher gloss and lower haze.

    Figure 1. TiO2 Dispersion Efficiency – Gloss/Haze in White Paint

    Graph: TiO2 dispersion efficiency – gloss/haze in white paint

    Alkyd resin pigmented with Lomon® R996 TiO2

    Good Storage Stability

    DOWSIL 700P Additive creates stable, non-flocculated TiO2 dispersions, outperforming competitive solutions at a significantly lower dosage. Formulations treated with DOWSIL 700P Additive display good gloss and low haze over time; while formulations treated with competitive dispersants lose gloss, and their haze increases.

    Figure 2. Stabilization of TiO2 Dispersions – Gloss/Haze Before and After Storage

    Graph: Stabilization of TiO2 dispersions – gloss/haze before and after storage

    Alkyd resin pigmented with Lomon® R996 TiO2 and tinted with carbon black paste

    Resistance to Yellowing at High Temperatures

    When subjected to high temperatures DOWSIL 700P Additive resists yellowing, while organic dispersants darken significantly.

    Figure 3. Heat Resistance of DOWSIL 700P Additive vs. Organic Pigment Dispersants – as Supplied

    Heat resistance of DOWSIL 700P Additive vs organic pigment dispersants

    Figure 4. Low-Yellowing Performance of DOWSIL 700P Additive vs. Organic Pigment Dispersants in a High-Temperature-Curing Coating

    Low-yellowing performance of DOWSIL 700P Additive vs organic pigment dispersants in a high-temperature-curing coating

    Effective Prevention of Pigment Flooding and Floating

    DOWSIL 700P Additive effectively prevents pigment flooding without increasing paint viscosity or reducing gloss.

    Figure 5. Pigment Flooding vs. Viscosity

    Graph: Pigment flooding vs viscosity

    Alkyd resin pigmented with Lomon® R996 TiO2 and tinted with carbon black paste

    Multiple open paint cans in rainbow colors with paintbrush

    FEATURED RESOURCE

    Learn More

    DOWSIL 700P Additive Product Information Sheet

04120930h

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