Hostavin® 3051-2 DISP

Non-substituted HALS for Waterborne Coatings

Edition Number :
6
Edition Date :
May 27, 2020
Hostavin 3051-2 DISP is a 52% aqueous dispersion of a low molecular weight hindered amine light stabilizer (HALS). It is characterized by its easy incorporation, low volatility and broad compatibility with a wide range of waterborne coating systems.
Benefits
  • Excellent for stabilization of waterborne 2K-PU and acrylic systems
  • Easy incorporation, broad compatibility and low volatility
Alexis Dudley
Alexis Dudley
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Hostavin® 3051-2 DISP

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Safety

Hazards
Classification according CLP regulation (Regulation (EC) No. 1272/2008, as amended).
    Acute toxicity, Cat. 4
    Serious eye damage, Cat. 1
    Specific target organ toxicity - repeated exposure, Cat. 2
    Short-term (acute) aquatic hazard, Cat. 1
    Long-term (chronic) aquatic hazard, Cat. 1
For further information please refer to the Material Safety Data Sheet.

Chemical Composition

Chemical nature:        2,2,4,4-Tetramethyl-7-oxa-3,20-diazadispiro[5.1.11.2]-heneicosan-21-on

Classification:             Low molecular weight hindered amine light stabilizer (HALS)

Specifications

Delivery Specifications and (*) General Properties

CharacteristicsUnitTarget ValueTest Method
Appearance whitish-yellow dispersionA.931.0003
Solids content[%]64.9 - 68.5A.951.0001
HALS content[%]51 - 53A.022.1001
*Particle size distribution D90 [µm]~ 7 
*Density (20°C)[g/cm³]~ 1.07 
*pH value ~ 8.5 
Applications

Hostavin 3051-2 DISP is recommended for all types of high performance waterborne systems, such as automotive plastic coatings, general industrial or high end wood coatings.

For exterior clearcoats, it is recommended to use Hostavin 3051-2 DISP in combination with a UV absorber, i.e. Hostavin 3315 DISP or Hostavin 3326 DISP. In the case of pigmented coatings, Hostavin 3051-2 DISP alone should provide sufficient protection.

Hostavin 3051-2 DISP is slightly basic, as an non-substituted HALS, it can influence the crosslinking of certain binders and potentially increase the viscosity during storage of the wet paint. If this is a critical issue, we recommend using Hostavin 3070 DISP, which is an oligomeric HALS with minimal influence on such parameters. 

Recommended dosage level of Hostavin 3051-2 DISP:      0.5 - 2.0% (active additive on solid resin)

Packaging and Handling
Delivery form
Dispersion

Packaging
PE drums 25 kg
Pallet 300 kg (12 drums)

Storage
Hostavin 3051-2 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 3051-2 DISP should always be well stirred prior to use, as a slight sedimentation might occur over time.

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Alexis Dudley
Alexis Dudley
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Disclaimer:
This information corresponds to the present state of our knowledge and is intended as a general description of our products and their possible applications. Clariant makes no warranties, express or implied, as to the information’s accuracy, adequacy, sufficiency or freedom from defect and assumes no liability in connection with any use of this information. Any user of this product is responsible for determining the suitability of Clariant’s products for its particular application.<br />
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* Nothing included in this information waives any of Clariant’s General Terms and Conditions of Sale, which control unless it agrees otherwise in writing. Any existing intellectual/industrial property rights must be observed. Due to possible changes in our products and applicable national and international regulations and laws, the status of our products could change. Material Safety Data Sheets providing safety precautions, that should be observed when handling or storing Clariant products, are available upon request and are provided in compliance with applicable law. You should obtain and review the applicable Material Safety Data Sheet information before handling any of these products. For additional information, please contact Clariant.<br />
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* For sales to customers located within the United States and Canada the following applies in addition: No express or implied warranty is made of the merchantability, suitability, fitness for a particular purpose or otherwise of any product or service.<br />
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® 2019 Clariant International Ltd 

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