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Eastman NPG™ (Molten)

2,2-dimethyl-1,3-propanediol. It is the industry standard glycol component in high-quality polyester resins for fiberglass-reinforced plastics applications. Possesses excellent thermal stability for low resin color and ideal glass transition temperature range. Has good chemical-, stain-, and humidity resistance along with good hardness/flexibility balance. It has outstanding weathering as well as outstanding powder flow and fluidization characteristics. It is suitable for use in most polyester resin formulations as the sole component, or in conjunction with a modifying glycol to achieve desired properties. Used for rigid and flexible polyurethane foams.
Product Type
  • Polyols
  • Diols
Chemical Composition
CAS Number
SpecialChem additionnal informations based on CAS Number : 126-30-7

Hansen Solubility Parameters

[16.5, 8.2, 18.1]
[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 Eastman NPG™ (Molten). A practical determination of these HSP values would provide higher certainty. Learn More.

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