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

Eastman NPG 90

Eastman NPG 90 is a high-purity neopentyl glycol (NPG) from Eastman’s specialty chemicals portfolio. Featuring low volatility, excellent hydrolytic stability and superior weatherability, it serves as a key monomer in polyester resins, coatings, and plasticizers. Its consistent quality supports demanding applications in automotive finishes and powder coatings.
  • eastman npg 90_1575261e
  • eastman npg 90_1575261e

Features Of Eastman NPG 90

  1. High-purity neopentyl glycol (NPG) with ≥99.8% assay, ensuring consistent reactivity in polymer synthesis.

  2. Low volatility and excellent thermal stability, supporting high-temperature processing without premature degradation.

  3. Superior hydrolytic resistance compared to conventional glycols, enhancing durability of polyester resins and coatings.

  4. Crystalline solid form with narrow particle size distribution, enabling uniform dispersion and efficient handling in bulk operations.

  5. Low color and minimal aldehyde content, critical for producing water-white polyesters and high-gloss industrial finishes.

Typical Applications Of Eastman NPG 90

  1. Unsaturated polyester resins (UPRs) for marine gelcoats and fiberglass-reinforced composites.

  2. High-performance alkyd resins used in automotive refinish and industrial maintenance coatings.

  3. Crosslinking agent in powder coating polyesters for architectural and appliance applications.

  4. Monomer in engineered thermoplastic polyesters (e.g., PETG, PCTG) requiring enhanced toughness and clarity.

  5. Chemical intermediate for synthetic lubricants and plasticizers demanding oxidative stability.

Specifications Of Eastman NPG 90

Chemical TypeNeopentyl glycol (2,2-dimethyl-1,3-propanediol)
Product FormFree-flowing white crystalline flakes
AppearanceWhite, odorless crystalline solid
Assay (by GC)≥99.8%
Melting Point128–132 °C
Color (APHA)≤10
Moisture Content (KF)≤0.1 wt%
Acid Number (mg KOH/g)≤0.1


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