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EastChem

Neopentanediol

Specification

Items Specification Results
Appearance white flake solid white flake
Neopentyl glycol, % 99 min 99.2%
Melting point, ℃ 126–130 128.5
Water content, % 0.5 max 0.1%
Color (Hazen, melt) 20 max 10
Ash, % 0.01 max 0.005%

Application

Neopentanediol (neopentyl glycol, NPG) is a sterically hindered diol that brings outstanding weatherability, chemical resistance and thermal stability to the polymers made from it.

  1. Core diol for powder-coating polyester resins — the dominant NPG application worldwide.
  2. Saturated and unsaturated polyester resins, alkyd resins and gel coats.
  3. Polyurethane resins and synthetic lubricant esters.
  4. Plasticizer and intermediate for pharmaceuticals and agrochemicals.

Supply and service. Neopentanediol from Dongying EastChem ships in 25 kg bags (palletized), custom packaging on request. Nineteen years of chemical manufacturing across three subsidiaries keeps bulk supply stable year-round: minimum order one 20′ container, samples dispatched in about 2 days, T/T or L/C payment, and a batch-specific COA with every shipment. Combine with our liquid glycols (propylene glycol) for mixed resin-raw-material containers. Contact our sales team for current specifications, pricing and delivery schedules.

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