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

NPU CORONATE AQ-210 Waterborne Curing Agent

NPU CORONATE AQ-210 is a waterborne polyisocyanate curing agent from Covestro’s CORONATE® series, designed for high-performance 2K waterborne coatings. It delivers excellent compatibility, low VOC, fast cure at ambient temperature, and superior gloss/chemical resistance—ideal for automotive refinish, industrial wood, and plastic coatings requiring eco-friendly performance.
  • npu coronate aq 210 waterborne curing agent_e4ff88dd
  • npu coronate aq 210 waterborne curing agent_e4ff88dd

Features Of NPU CORONATE AQ-210 Waterborne Curing Agent

  1. Low-VOC, aqueous aliphatic polyisocyanate dispersion for environmentally compliant coatings.

  2. Excellent hydrolytic stability and storage shelf life under ambient conditions.

  3. Fast room-temperature curing with coalescing agents, enabling efficient production throughput.

  4. Superior compatibility with acrylic, polyester, and hybrid waterborne resins.

  5. Delivers high gloss, excellent chemical resistance, and outstanding UV stability in final films.

Typical Applications Of NPU CORONATE AQ-210 Waterborne Curing Agent

  1. Automotive refinish clearcoats and basecoats.

  2. Industrial maintenance coatings for metal and plastic substrates.

  3. Architectural protective topcoats for façades and structural steel.

  4. Wood coatings requiring low odor and rapid handling strength.

  5. Coil coatings where low-bake performance and corrosion resistance are critical.

Specifications Of NPU CORONATE AQ-210 Waterborne Curing Agent

Chemical TypeAliphatic polyisocyanate (HDI-based) dispersion
Product FormWaterborne liquid
AppearanceClear to slightly hazy, colorless to pale yellow liquid
NCO Content (wt%)8.5–9.5%
pH (25°C)7.0–8.5
Viscosity (mPa·s, 25°C, Brookfield LVT, Spindle #3, 60 rpm)150–400
Density (g/cm³, 25°C)1.04–1.08
Recommended Storage Temperature5–30°C, protected from freezing


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