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

Covestro Bayhydur XP 7165 Waterborne Curing Agent

Covestro Bayhydur XP 7165 is a waterborne aliphatic polyisocyanate curing agent from the Bayhydur XP series, designed for high-performance two-component waterborne coatings. It delivers excellent gloss retention, weather resistance, and low VOC content while enabling fast drying and outstanding chemical resistance in automotive, industrial, and wood finishes.
  • covestro bayhydur xp 7165 waterborne curing agent_4b00fdd1
  • covestro bayhydur xp 7165 waterborne curing agent_4b00fdd1

Features Of Covestro Bayhydur XP 7165 Waterborne Curing Agent

  1. High-performance aliphatic polyisocyanate crosslinker specifically engineered for waterborne hydroxyl-functional resins.

  2. Excellent compatibility with acrylic, polyester, and hybrid waterborne polyols—enabling low-VOC, high-gloss coatings.

  3. Fast ambient-cure kinetics with good pot life balance, supporting efficient industrial coating processes.

  4. Outstanding weather resistance, UV stability, and gloss retention in demanding exterior applications.

  5. REACH-compliant formulation with no added tin catalysts or hazardous air pollutants (HAPs).

Typical Applications Of Covestro Bayhydur XP 7165 Waterborne Curing Agent

  1. Architectural and industrial maintenance coatings for metal and concrete substrates.

  2. Automotive OEM and refinish clearcoats requiring high clarity and scratch resistance.

  3. Wood coatings for furniture and flooring where low emissions and rapid handling are critical.

  4. Plastic coatings for automotive interior parts and consumer electronics housings.

  5. Can and coil coatings targeting sustainable, high-throughput metal packaging solutions.

Specifications Of Covestro Bayhydur XP 7165 Waterborne Curing Agent

Chemical TypeAliphatic polyisocyanate (HDI-based trimer)
Product FormWater-dispersible liquid
AppearanceClear to slightly hazy, colorless to pale yellow dispersion
NCO Content (wt %)8.0 – 8.8%
pH (25 °C)7.0 – 8.5
Solids Content (wt %)48 – 52%
Viscosity (mPa·s, 25 °C)150 – 400
Primary ApplicationsWaterborne 2K PU topcoats for industrial, automotive, and wood segments


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