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Bayhydrol® (Adhesive ingredients)

Supplied by Covestro
Bayhydrol® by Covestro is a range of waterborne polyurethane and polyurethane-acrylic hybrid dispersions used as binders in adhesives and sealant formulations. The portfolio spans aliphatic and aromatic chemistries with varying particle sizes, hardness levels, and crosslinking mechanisms, enabling formulators to tailor film-forming polymer systems for low-VOC, waterborne formulation strategies.

Key benefits of Bayhydrol® brand include:

  • Delivers high flexibility combined with excellent abrasion and chemical resistance in the cured polymer film.
  • Offers strong adhesion to a broad range of substrates without compromising film clarity or gloss.
  • Provides low VOC content, supporting waterborne formulation strategies without sacrificing mechanical performance.
  • Exhibits good hydrolysis and UV resistance, contributing to long-term film stability and durability.
  • Enables fast physical drying and good blocking resistance, improving processability and handling of formulated systems.

4 Products match your search

Bayhydrol® A 2139/2

by Covestro

Bayhydrol® A 2139/2 by Covestro is an aqueous, fatty acid-modified, hydroxyfunctional polyester-polyacrylate. Possesses good adhesion and high body. Exhibits good pigment wetting properties and high shear stability. Recommended storage temperature of Bayhydrol® A 2139/2 is > 0-30 °C.
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Bayhydrol® A 2846 XP

by Covestro

Bayhydrol® A 2846 XP by Covestro is primary self-crosslinking acrylic dispersion. It has good chemical resistance, long pot life, hand mixability and is fast drying. The neutral agent for product is NH<sub>3</sub>.
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Bayhydrol® A 2290

by Covestro

Aqueous hydroxyfunctional polyester polyacrylate dispersion. Possesses good hydrolysis stability. Forms high gloss, solvent-resistant and tar-resistant top-coats. Offers very good adhesion, sandability and water resistance. Provides good pigment wetting and high shear stability.
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Bayhydrol® A 2845 XP

by Covestro

Secondary polyacrylic dispersion. It exhibits low VOC, high gloss, good chemical and weather resistance and low thermo-yellowing. The neutral agent for product is dimethyl ethanol amine (DEMA).
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