Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Eastman NPG-Neo Pentaglycol Neopentyl Glycol

Eastman NPG is a high-purity neopentyl glycol (NPG) from Eastman’s Neo Pentaglycol series—offering exceptional hydrolytic stability thermal resistance and low volatility. Widely used in polyester resins alkyd coatings and plasticizers it delivers superior weatherability and durability. Its sterically hindered structure minimizes ester cleavage ensuring long-term performance in demanding applications like automotive finishes and powder coatings.
  • eastman npg neo pentaglycol neopentyl glycol_c71c4ed4
  • eastman npg neo pentaglycol neopentyl glycol_c71c4ed4

Features Of Eastman NPG-Neo Pentaglycol Neopentyl Glycol

  1. Exceptional hydrolytic stability due to its sterically hindered neopentyl structure.

  2. High purity and low volatility, supporting consistent performance in high-temperature processing.

  3. Excellent resistance to yellowing and oxidation, enhancing long-term color retention in coatings.

  4. Low acidity and minimal aldehyde content, improving compatibility with acid-sensitive catalysts and resins.

  5. Superior crystallinity and melting point uniformity for reliable handling and metering in industrial formulations.

Typical Applications Of Eastman NPG-Neo Pentaglycol Neopentyl Glycol

  1. Alkyd resins for high-performance architectural and industrial maintenance coatings.

  2. Polyester resins used in powder coatings requiring excellent flow, durability, and gloss retention.

  3. Unsaturated polyester (UPE) resins for marine gelcoats and corrosion-resistant composites.

  4. Plasticizers and co-monomers in engineering thermoset polymers and UV-curable systems.

  5. Crosslinking agents in acrylic and polyurethane dispersions for automotive clearcoats.

Specifications Of Eastman NPG-Neo Pentaglycol Neopentyl Glycol

Chemical TypeDiol (Bifunctional Aliphatic Alcohol)
Product FormWhite Crystalline Solid
AppearanceFree-flowing, odorless granules or flakes
Molecular Weight134.17 g/mol
Melting Point128–132 °C
Assay (NPG Content)≥ 99.5 wt%
Water Content≤ 0.10 wt%
Acid Number≤ 0.1 mg KOH/g


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