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

Allnex DUROFTAL AQ-803 Polyester Resin

Allnex DUROFTAL AQ-803 is a waterborne polyester resin from the DUROFTAL AQ series, engineered for high-performance industrial coatings. It delivers excellent gloss retention, chemical resistance, and substrate adhesion—ideal for metal and plastic applications. This low-VOC, APEO-free dispersion ensures sustainable performance without compromising film integrity or cure speed.
  • allnex duroftal aq 803 polyester resin_97c8879c
  • allnex duroftal aq 803 polyester resin_97c8879c

Features Of Allnex DUROFTAL AQ-803 Polyester Resin

  1. Waterborne polyester dispersion offering excellent film formation and gloss retention.

  2. Low VOC formulation compliant with stringent environmental regulations for industrial coatings.

  3. Good compatibility with acrylic and epoxy dispersions for hybrid coating systems.

  4. Enhanced hydrolytic stability enabling extended shelf life and robust processing performance.

  5. Enables high crosslink density with melamine or blocked isocyanate hardeners for superior chemical resistance.

Typical Applications Of Allnex DUROFTAL AQ-803 Polyester Resin

  1. Industrial maintenance coatings for metal substrates.

  2. General-purpose waterborne coil coatings.

  3. Interior architectural metal coatings (e.g., HVAC, lighting fixtures).

  4. Electrodeposition primer topcoats in multi-layer automotive component systems.

  5. Pre-treatment and topcoat systems for aluminum extrusions.

Specifications Of Allnex DUROFTAL AQ-803 Polyester Resin

Chemical TypeWaterborne saturated polyester dispersion
Product FormOpaque white liquid
AppearanceHomogeneous milky dispersion
pH (25 °C)7.5 – 8.5
Solids Content (wt%)40 ± 1
Viscosity (mPa·s, Brookfield RVT, Spindle #2, 2 rpm)150 – 350
Density (g/cm³, 25 °C)1.02 – 1.06
Minimum Film Formation Temperature (MFFT)≈ 25 °C


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