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  • Coatings

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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About

Product Types

  • Dispersion
  • Acrylate dispersion

Material

Coatings
Hard, Solvent-free, Waterborne, Flexible, Elastic

General Characterization

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).

Storage Conditions

- Storage in original sealed Covestro containers.

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Recommended storage temperature: > 0 - 30 °C.

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Protect from frost, heat and foreign material.

General information: Short-time cooling down to -18 °C 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. Contamination with certain bacteria, fungi or algae may render the product unusable.

On the basis of the given intrinsic product properties and the respective circumstances during storage the product may show a slight film formation also in the original packaging. Pre-filtration of the material before use is recommended.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
pH (1 : 3 in demineralised water) DIN ISO 976 7.5 - 9
Non-volatile content (1 g/1 h/125 °C/convection oven) DIN EN ISO 3251 % 38.5 - 41.5
Viscosity at 23 °C at 23 °C, D = approx. 42 s-1 DIN EN ISO 3219/A.3 mPa*s max. 100

Property Name Test Method Unit Value
Hydroxyl content, (on solid resin, calculated) internal method % approx. 2.5
Density at 20 °C DIN EN ISO 2811-2 g/ml approx. 1.1

Downloads

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