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

DSM NeoRez U-391 Polyurethane Resin

DSM NeoRez U-391 is a waterborne polyurethane dispersion resin from the NeoRez series, offering excellent film formation, flexibility, and chemical resistance for coatings and inks. It delivers low VOC, high gloss, and superior adhesion on diverse substrates—ideal for sustainable industrial and decorative applications.
  • dsm neorez u 391 polyurethane resin_9e3720b8
  • dsm neorez u 391 polyurethane resin_9e3720b8

Features Of DSM NeoRez U-391 Polyurethane Resin

  1. Waterborne anionic polyurethane dispersion with excellent film-forming properties.

  2. Low VOC and compliant with stringent environmental regulations including EU REACH and US EPA guidelines.

  3. Outstanding flexibility, abrasion resistance, and adhesion to diverse substrates including plastics, metals, and coated papers.

  4. Good hydrolytic stability and storage stability at ambient temperature (up to 12 months in sealed container).

  5. Compatible with common coalescents, crosslinkers, and water-based additives for formulation flexibility.

Typical Applications Of DSM NeoRez U-391 Polyurethane Resin

  1. High-performance water-based leather coatings for footwear and upholstery.

  2. Flexible packaging laminating adhesives requiring clarity and heat-seal compatibility.

  3. Industrial protective topcoats for plastic components in automotive interiors.

  4. Textile finishing agents delivering durable soft handle and wash-fastness.

  5. Water-based wood finishes where low odor and rapid dry-through are critical.

Specifications Of DSM NeoRez U-391 Polyurethane Resin

Chemical TypeAnionic aliphatic polyurethane dispersion
Product FormAqueous dispersion
AppearanceOpaque white to off-white liquid
pH (at 25°C)7.5 – 8.5
Solids Content (wt%)30.0 – 32.0%
Viscosity (mPa·s, Brookfield RVT, #2 spindle, 20 rpm)50 – 200
Particle Size (D50, nm)80 – 120
Minimum Film Formation Temperature (MFFT)~15°C


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