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Technical Datasheet | Supplied by Roquette
POLYSORB® PA by Roquette Isosorbide is a highly pure isosorbide grade available in the form of pellets. Offers enhanced optical properties, temperature resistance, UV resistance and surface hardness. POLYSORB® PA is compatible with polyesters, composites and coatings, and thermoplastic polyurethane (TPU). It also acts as a plasticizer.


Technical Datasheet | Supplied by Roquette
Product Type
Chemical Composition
Isosorbide/1,6 - dianhydrohexitol
CAS Number
Physical Form
Product Status

POLYSORB® PA Properties


Value & Unit
Test Condition
Test Method
> 99.5 %
Water content
< 1.0 %
pH, 40% aq. solution
6.5 - 8.5

SpecialChem additionnal informations based on CAS Number : 652-67-5

Hansen Solubility Parameters

[18, 10.1, 16.5]
[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 POLYSORB® PA. A practical determination of these HSP values would provide higher certainty. Learn More.

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