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

NPU CORONATE AQ-200 Waterborne Curing Agent

NPU CORONATE AQ-200 is a waterborne polyisocyanate curing agent from the CORONATE series by NPU, designed for high-performance two-component waterborne coatings. It offers excellent compatibility with acrylic/polyurethane dispersions, rapid curing, low VOC, and superior gloss retention and chemical resistance in demanding industrial applications.
  • npu coronate aq 200 waterborne curing agent_4738399f
  • npu coronate aq 200 waterborne curing agent_4738399f

Features Of NPU CORONATE AQ-200 Waterborne Curing Agent

  1. Low-VOC, water-dispersible aliphatic polyisocyanate crosslinker for environmentally compliant coatings.

  2. Excellent hydrolytic stability and extended pot life in aqueous dispersions.

  3. Enables fast ambient- or low-bake cure with superior film hardness and chemical resistance.

  4. Compatible with a broad range of acrylic, polyester, and hybrid waterborne resins.

  5. Delivers low yellowing and high UV resistance in clear and pigmented topcoats.

Typical Applications Of NPU CORONATE AQ-200 Waterborne Curing Agent

  1. Automotive refinish clearcoats and basecoats.

  2. Industrial maintenance coatings for metal and plastic substrates.

  3. Wood furniture and cabinetry waterborne topcoats.

  4. Architectural wall and trim coatings requiring high durability.

  5. Coil coatings for pre-finished building panels and appliances.

Specifications Of NPU CORONATE AQ-200 Waterborne Curing Agent

Chemical TypeAliphatic polyisocyanate (HDI-based)
Product FormWater-dispersible liquid
AppearanceClear to slightly hazy, pale yellow liquid
NCO Content (wt%)9.5–10.5%
pH (10% aqueous dispersion)7.0–8.5
Solids Content (wt%)35–40%
Viscosity (25°C, mPa·s)200–600
Storage Stability (25°C)≥6 months in sealed container


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