The Universal Selection Source:
Polymer Additives
by SpecialChem
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Uvasorb® S34

Technical Datasheet | Supplied by 3V
Hindered amine based additive. Acts as an UV light stabilizer. It has an excellent solubility in a wide range of organic solvents with different polarities. Improves the light stabilization through synergistic effects in combination with other UV absorbers. Recommended for elastomers. It may be used alone or in combination with other UV absorbers or HALS. In general, the range of dosage is in between 0.1%-1 %.
Product Type
Light Stabilizers / UV Absorbers
Chemical Composition
2-(2H-benzotriazole-2-yl)-4,6-bis(1- methyl-1-phenylethyl)phenol
CAS Number
SpecialChem additionnal informations based on CAS Number : 70321-86-7

Hansen Solubility Parameters

[20, 2.5, 5.6]
[δD - Dispersion force interactions, δP - Polar force interactions, δH - Hydrogen bond force interactions]

Please note, these HSP values are estimations. It is based upon the “like seeks like” principle. It splits an ingredients interactions into three parameters; δD (Dispersion force interactions), δP (Polar forces interactions) and δH (Hydrogen bond force interactions). Hansen Solubility Parameters can help you find a wide range of products that are predicted to be compatible with Uvasorb® S34. A practical determination of these HSP values would provide higher certainty. Learn More.

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