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

NPU CORONATE AQ-105 Waterborne Curing Agent

NPU CORONATE AQ-105 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, fast ambient cure, low VOC, and superior film hardness, chemical resistance, and gloss retention—ideal for industrial wood, metal, and plastic finishes.
  • npu coronate aq 105 waterborne curing agent_10c61729
  • npu coronate aq 105 waterborne curing agent_10c61729

Features Of NPU CORONATE AQ-105 Waterborne Curing Agent

  1. Low-VOC, water-dispersible polyisocyanate curing agent compliant with global environmental regulations.

  2. Excellent compatibility with aqueous acrylic, polyester, and hybrid resin systems.

  3. Fast ambient-cure kinetics enabling efficient production line throughput without forced drying.

  4. Superior hydrolytic stability for extended pot life in formulated waterborne coatings.

  5. Delivers high crosslink density, resulting in exceptional hardness, chemical resistance, and gloss retention.

Typical Applications Of NPU CORONATE AQ-105 Waterborne Curing Agent

  1. Automotive OEM and refinish waterborne basecoat/clearcoat systems.

  2. Industrial maintenance coatings for metal substrates including machinery and agricultural equipment.

  3. Architectural and decorative waterborne topcoats for interior/exterior metal and wood substrates.

  4. Waterborne coil coating primers and topcoats for pre-painted steel and aluminum.

  5. High-performance packaging coatings requiring FDA-compliant migration control (when formulated per regulatory guidelines).

Specifications Of NPU CORONATE AQ-105 Waterborne Curing Agent

Chemical TypeAliphatic polyisocyanate (HDI-based trimer)
Product FormWater-dispersible liquid
AppearanceClear to slightly hazy, colorless to pale yellow dispersion
Solids Content (wt%)30–34%
pH (at 25°C)7.0–8.5
Viscosity (mPa·s, Brookfield RVT, #2 spindle, 20 rpm, 25°C)150–400
NCO Content (wt%)6.0–7.2%
Primary ApplicationsTwo-component (2K) waterborne polyurethane coatings


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