Clariant Hostavin® 3225-2 DISP is a 52% solids aqueous dispersion, formulated by blending halogenated benzotriazole UV absorber and HALS. It exerts synergistic light stabilizing effects, fits waterborne clearcoats, and provides efficient weather resistance protection for coatings.
Synergistic effect of halogenated benzotriazole and HALS efficiently inhibits coating aging caused by UV rays, extending coating service life.
52% solids aqueous dispersion form, easy to disperse uniformly in waterborne coatings, solvent-free and eco-friendly.
Excellent compatibility with waterborne clearcoat systems, without affecting coating transparency and gloss, ensuring coating appearance quality.
Outstanding anti-yellowing and anti-gloss loss performance, maintaining long-term appearance stability of coatings.
No adverse impact on the storage stability of waterborne coatings, stable in-can without delamination easily
Suitable for waterborne automotive OEM paints and refinish paints, providing long-term weather resistance and UV protection for vehicle coatings.
Compatible with waterborne industrial coatings, improving anti-aging and weather resistance of outdoor coatings for construction machinery and metal components.
Applied in waterborne architectural exterior wall coatings, enhancing the ability of exterior wall coatings to resist sun exposure and rain, extending renovation cycle.
Used in waterborne wood clearcoats, protecting coatings of wooden furniture and outdoor wood components from fading and cracking.
Suitable for waterborne plastic coatings, improving light stability and durability of coatings on PC, ABS and other plastic substrates.
| Characteristics | Unit | Target Value | Test Method |
|---|---|---|---|
| Appearance | - | Milky white aqueous dispersion | Visual |
| Active Content | % | 52 | Clariant Internal Method |
| UV Absorber Type | - | Halogenated Benzotriazole | Clariant Internal Method |
| HALS Type | - | Low - molecular - weight Free Radical Scavenger | Clariant Internal Method |
| pH Value | - | 7.0 - 9.0 | pH Meter |
| Viscosity (25°C) | mPa·s | 50 - 500 | Brookfield Viscometer |
| Density (25°C) | g/cm³ | 1.05 - 1.10 | Pycnometer |
| Particle Size | μm | <5 | Laser Diffraction |
| Storage Stability | - | Stable for 12 Months (25°C) | Accelerated Aging Test |
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