Hostavin® 3225-2 DISP
Hostavin 3225-2 DISP is a 52% aqueous dispersion of a halogenated benzotriazole UV absorber combined with a low molecular weight HALS, designed for UV stabilization of paints and clearcoats.
Product Information
Hostavin 3225-2 DISP is an easy to use dispersion requiring no milling or dissolving before use and can be incorporated at any stage of the paint production.
Hostavin 3225-2 DISP has been primarily developed for exterior waterborne wood coatings protection, due to its broad UV absorption profile, which is a key requirement for clearcoat systems.
Hazards
Classification according CLP regulation (Regulation (EC) No. 1272/2008, as amended).
Serious eye damage, Cat. 1
Specific target organ toxicity - repeated exposure, Cat. 2
Long-term (chronic) aquatic hazard, Cat. 2
For further information please refer to the Material Safety Data Sheet.
Chemical Nature: 2-(5-chloro-2H-benzotriazol-2yl)-6-(1,1dimethyl-ethyl)-4-methyl-phenol + 2,2,4,4-Tetramethyl-7-oxa-3,20-diazadi-spiro [5.1.11.2]-heneicosan-21-on
Classification: 2:1 mixture of halogenated benzotriazole UV absorber + low molecular weight HALS
Delivery Specifications and (*) General Properties
| Characteristics | Unit | Target Value | Test Method |
| Appearance | whitish-yellow dispersion | A.931.0003 | |
| Solids content | [%] | 64.8 - 68.6 | A.951.0001 |
| UVA content | [%] | 33 - 36 | A.022.1003 |
| HALS content | [%] | 16 - 19 | A.022.1003 |
| *pH value | ~ 7.5 | ||
| *Density (20°C) | [g/cm³] | ~ 1.08 |
Hostavin 3225-2 DISP is recommended for high performance exterior waterborne wood coating systems.
Recommended dosage level of Hostavin 3225-2 DISP: 1.0 - 3.0% (active additive on solid resin)
Dispersion
Packaging
PE drums 25 kg
Pallet 300 kg (12 drums)
IBC 900 kg
Storage
Hostavin 3225-2 DISP can be stored for at least three years from the date of shipping when kept cool and dry in the original sealed containers.
Storage temperatures above +40°C and below +4°C should be avoided.
Hostavin 3225-2 DISP should always be well stirred prior to use, as a slight sedimentation might occur over time.
