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

Covestro Bayhydrol A 242 Waterborne Acrylic Resin

Covestro Bayhydrol A 242 is a high-performance waterborne acrylic resin designed for durable, low-VOC industrial coatings. It offers excellent hydrolytic stability, gloss retention, and compatibility with crosslinkers like polyisocyanates. Widely used in automotive refinishes and metal coatings, this series delivers superior hardness, flexibility, and chemical resistance while meeting stringent environmental regulations.
  • covestro bayhydrol a 242 waterborne acrylic resin_7224dced
  • covestro bayhydrol a 242 waterborne acrylic resin_7224dced

Features Of Covestro Bayhydrol A 242 Waterborne Acrylic Resin

  1. High solids content for improved coating efficiency and reduced VOC emissions.

  2. Excellent hydrolytic stability, ensuring long shelf life and consistent performance in waterborne formulations.

  3. Good compatibility with crosslinkers such as polyisocyanates and melamine resins.

  4. Provides outstanding film hardness and mechanical resistance after curing.

  5. Low minimum film formation temperature (MFFT) enabling ambient-cure applications.

Typical Applications Of Covestro Bayhydrol A 242 Waterborne Acrylic Resin

  1. Automotive OEM clearcoats and basecoats.

  2. Industrial maintenance coatings for metal substrates.

  3. High-performance wood coatings requiring clarity and durability.

  4. Plastic coatings for automotive interior parts.

  5. General-purpose protective topcoats for architectural and appliance finishes.

Specifications Of Covestro Bayhydrol A 242 Waterborne Acrylic Resin

Chemical TypeAcrylic copolymer dispersion
Product FormWaterborne liquid dispersion
AppearanceClear to slightly hazy, low-viscosity liquid
Solids Content (wt. %)38–42%
pH7.5–8.5
Viscosity (mPa·s, Brookfield RVT, #2 spindle, 20 rpm)100–300
Density (g/cm³, 20 °C)1.02–1.06
Minimum Film Formation Temperature (MFFT)≈ 10 °C


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