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

Covestro Bayhydur XP2655 Waterborne Curing Agent

Covestro Bayhydur XP2655 is a waterborne aliphatic polyisocyanate curing agent from the Bayhydur XP series, designed for high-performance two-component waterborne coatings. It offers excellent gloss retention, weather resistance, and low VOC content, enabling durable finishes in automotive refinish, industrial wood, and plastic coating applications without compromising sustainability or performance.
  • covestro bayhydur xp2655 waterborne curing agent_f1cb0279
  • covestro bayhydur xp2655 waterborne curing agent_f1cb0279

Features Of Covestro Bayhydur XP2655 Waterborne Curing Agent

  1. High-performance aliphatic polyisocyanate crosslinker specifically designed for waterborne acrylic and polyurethane dispersions.

  2. Excellent hydrolytic stability and storage stability in aqueous systems, enabling extended shelf life without viscosity increase or gelation.

  3. Enables fast ambient-cure and low-bake film formation with outstanding hardness development and chemical resistance.

  4. Low VOC content (< 5 g/L) and APEO-free formulation compliant with stringent environmental and regulatory requirements.

  5. Good compatibility with a broad range of waterborne resins, facilitating formulation flexibility and robust processing.

Typical Applications Of Covestro Bayhydur XP2655 Waterborne Curing Agent

  1. Automotive refinish coatings requiring high gloss, mar resistance, and rapid turnaround.

  2. Industrial wood coatings for furniture, flooring, and cabinetry demanding durability and low-temperature cure.

  3. Architectural and decorative waterborne topcoats for interior and exterior applications.

  4. Plastic coatings for automotive trim and consumer electronics with excellent adhesion and flexibility.

  5. Coil coatings where corrosion protection and high-speed line performance are critical.

Specifications Of Covestro Bayhydur XP2655 Waterborne Curing Agent

Chemical TypeAliphatic polyisocyanate (HDI-based)
Product FormWaterborne dispersion
AppearanceClear to slightly hazy, colorless to pale yellow liquid
Solids Content40–42 wt%
pH (10% aqueous dilution)7.0–8.5
Viscosity (23°C, Brookfield RVT, spindle #3, 20 rpm)100–300 mPa·s
NCO Content4.5–5.0 wt%
Primary ApplicationsCrosslinker for waterborne acrylic, polyester, and PU dispersions


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