One-of-a-Kind Nano-Composite Polymer for Premium Low Dirt Pickup
COL.9® 9099 is a unique nano-composite polymer dispersion designed as a premium low dirt pickup surface modifier for exterior applications. Delivering exceptional dirt pick-up resistance, gloss retention, and weatherability for long-lasting, pristine facades.

This nano-composite acrylic hybrid dispersion combines organic polymer elasticity with inorganic binder hardness, creating revolutionary dirt pickup resistant surface properties. The one-of-a-kind nano technology delivers exceptional dirt pickup resistance, outstanding gloss retention, superior water whitening resistance, and excellent weatherability. The APEO-free formulation creates harder surfaces with stronger mineral adhesion. At VUBS Corporation, we provide technical expertise for COL.9® 9099, helping customers develop premium low-dirt-pickup facade coatings for architectural applications where long-term cleanliness and aesthetic appearance are critical performance requirements.

| Parameter | Specification |
|---|---|
| Chemical Nature | Nano-composite acrylic hybrid dispersion combining organic and inorganic components |
| Technology | One-of-a-kind nano-composite surface modifier |
| Solids Content | 45 ± 1% |
| pH Value | 9.2 - 9.8 |
| Viscosity at 23°C | 10 - 60 mPa·s |
| Minimum Film Forming Temperature (ISO 2115) | ~34°C |
| Density (ISO 2811-1) | ~1.14 g/cm³ |
| Ionic Character | Anionic |
| Type of Dispersion | Anionic nano-composite |
| APEO Content | Free (Zero) - APEO-free formulation |
| Frost Resistance | Not frost-resistant, protect from temperatures ≤ 0°C |
| Key Performance | Exceptional dirt pick-up resistance and gloss retention |
| Surface Properties | Combines hardness of inorganic binders with elasticity of organic binders |
| Water Whitening Resistance | Excellent - maintains film clarity when wet |
| Weatherability | Exceptional long-term performance |
| Yellowing | Non-yellowing characteristics |
| Preservative | Protected against microorganisms, additional preservatives recommended for formulations |
| Storage | Requires proper storage conditions, preserve from frost |
| Typical Applications | Premium low dirt pickup surface modifier for exterior facades |
Customers have to carry out their own trials when developing and processing products based on COL.9® 9099. The compatibility of COL.9® 9099 with other ingredients of formulations, its effect on mixing process and its adhesion on different substrates etc., are affected by a variety of factors which are too numerous for us to take into account in our own trials. Please check Product Data Sheets and MSDS before processing.
COL.9® 9099 is available ex-stock at VUBS Corporation with comprehensive technical support. Our team provides formulation guidance, application assistance, and dirt pickup resistance optimization support.
We at VUBS CORPORATION combine BASF's cutting-edge polymer technology with practical application expertise to help you develop superior dirt-resistant coating systems. Contact us for technical data sheets, starting point formulations, and application-specific recommendations.
Nano-composite technology in COL.9® 9099 combines organic polymer binders with inorganic nano-scale particles, creating a hybrid material that leverages the best properties of both. The organic acrylic component provides flexibility, adhesion, weather resistance, and film-forming capability. The inorganic nano-particles (typically silica or silicate-based) provide hardness, abrasion resistance, and barrier properties. At the nano scale (1-100 nanometers), these inorganic particles distribute uniformly throughout the polymer matrix, creating a synergistic effect where the surface becomes significantly harder reducing dirt pickup while the bulk material retains elasticity preventing cracking. This overcomes the traditional trade-off where hard coatings crack and flexible coatings pick up dirt. Additional benefits include superior chalking resistance as inorganic components resist UV degradation, enhanced color retention preventing fading, improved permeability allowing vapor transmission, and stronger adhesion to mineral surfaces through chemical bonding of inorganic components. The technology represents a significant advancement over conventional pure organic binders for premium facade applications.
COL.9® 9099's exceptional dirt pickup resistance stems from multiple mechanisms. Surface Hardness from nano-inorganic components creates a harder surface that physically resists embedding of dirt particles, unlike soft surfaces where particles sink into the coating. Surface Energy Modification where the nano-composite surface has lower surface energy reducing attraction to polar contaminants like soot and dust. Electrostatic Properties are optimized to minimize static charge that attracts airborne particulates. Self-Cleaning Effect emerges as the harder surface allows rain to wash away loosely adhered dirt more effectively. Film Density increases from tight packing of nano-particles reducing surface porosity where dirt can lodge. These combine to keep facades cleaner longer, maintaining aesthetic appearance and, critically for white buildings, solar reflectance. In comparative urban exposure testing, COL.9 9099 coatings show 40-60% less dirt accumulation versus standard acrylics after 1-2 years. This translates to reduced cleaning frequency, lower maintenance costs, and sustained building appearance. The technology is especially valuable for white or light-colored facades in urban, industrial, or high-pollution environments where dirt pickup is a major concern.
This is a key question because traditionally harder coatings are more brittle and crack-prone. However, COL.9® 9099's nano-composite design specifically addresses this through engineered balance. The nano-particles are small enough and well-dispersed enough that they reinforce the surface without making the bulk material brittle. Think of it as creating a hard skin over a flexible body. The organic acrylic matrix retains its inherent flexibility and elongation capability, providing crack-bridging performance. The nano-inorganic component is concentrated more at the surface during film formation due to migration during drying, creating a gradient where surface hardness is maximized while bulk flexibility is maintained. Testing shows COL.9 9099 formulations achieving both low dirt pickup (hard surface benefit) and good crack-bridging capability over 0.3-0.5mm cracks (flexibility benefit), a combination impossible with conventional single-component binders. This makes it suitable for facades subject to thermal cycling and structural movement where both cleanliness and crack resistance are required. The technology represents sophisticated materials science overcoming traditional performance trade-offs.
COL.9® 9099 delivers maximum value in premium applications where long-term aesthetic retention justifies higher material cost. High-End Residential and Commercial Buildings with white or light-colored facades in urban areas prioritize appearance and low maintenance. Corporate Headquarters and Institutional Buildings where facade cleanliness reflects on the organization benefit from reduced maintenance and sustained appearance. Historic Building Restoration preserves aesthetic character with superior protection and self-cleaning properties. Coastal Properties face salt spray and moisture where the enhanced barrier properties and dirt resistance excel. High-Pollution Urban Environments including areas near highways or industrial zones see dramatic benefits in facade cleanliness. LEED and Green Building Projects value low maintenance reducing lifecycle environmental impact and operational costs. Luxury Residential Developments differentiate through sustained appearance and premium performance. Cultural and Public Buildings (museums, government, education) require low-maintenance, long-lasting facades. The cost-benefit is strongest where cleaning frequency reduction (from annually to every 3-5 years), sustained property value through appearance retention, and differentiation in premium market segments justify the 15-30% cost premium over standard acrylics. For budget-conscious projects or where facades are not aesthetic priorities, standard high-quality acrylics may suffice. VUBS Corporation can help evaluate cost-benefit for specific projects.
Important Testing & Liability Disclaimer: The technical specifications and performance data presented herein are derived from controlled laboratory conditions and standardized testing environments. Actual performance may vary significantly based on application-specific conditions, formulation variables, environmental factors, and processing parameters. All customers are strongly advised to conduct comprehensive application testing and validation trials prior to commercial-scale production or project deployment. VUBS Corporation supplies products strictly on an "as-is" basis and expressly disclaims all liability for any direct, indirect, incidental, consequential, or punitive damages arising from product use, application, or performance. Customers assume full and sole responsibility for product suitability assessment, application testing, quality control, and all associated risks. Due to strong market demand and limited inventory availability, procurement decisions should be made expeditiously following successful validation testing. For technical consultation and sample procurement, please contact our team.
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