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Bayhydrol® A 2457

Anionic polyacrylic dispersion.As a binder in the formulation of water-reducible two-component coatings and sealers for mineral substrates and reactive resins (EP, PU).

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General Characterization

Bayhydrol A 2457 is an anionic polyacrylic dispersion.
It is suitable as a binder in the formulation of water-reducible two-component coatings and sealers for mineral substrates and reactive resins (EP, PU).

Storage Conditions

Bayhydrol A 2457 should be stored in tightly sealed original containers and protected from freezing, heat, and foreign materials. Short-time cooling down to -18ºC does not typically damage the product. Prolonged freezing can damage the product irreversibly. Prolonged storage at higher temperatures may result in a decrease of viscosity and/or an increase of average particle size, possibly resulting in sedimentation or coagulation. Recommended storage temperature is > 0º-30ºC.

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Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Density at 20°C g/ml approx. 1.1
Hydroxyl content (on solid resin, calculated) % approx. 2.5

Specifications

Property Name Test Method Unit Value
Non-volatile content (1g/1h/125°C convection oven) % 38.5 - 41.5
pH (supply form) 7.5 - 9.0
Viscosity at 23°Cat 23°C, D= approx. 42 s^-1 mPa∙s max. 100

Downloads

Technical Data Sheet
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com

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