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  • Coatings

Bayhydrol® A 2470

Aqueous hydroxyfunctional polyacrylic dispersion.Waterborne 2K-Polyurethane varnishes in combination with aliphatic Polyisocyanates.

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About

Product Types

  • Acrylate dispersion

Material

Coatings
Hard, Waterborne, Flexible, Elastic

General Characterization

Aqueous hydroxyfunctional polyacrylic dispersion.
Waterborne 2K-Polyurethane varnishes in combination with aliphatic Polyisocyanates.

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, but the viscosity may increase significantly. 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.
The viscosity of the product is largely governed by the pH. As the pH may decrease during storage, a decrease in viscosity is also to be expected. The viscosity can be adjusted to its original value by the addition of small amounts of an aqueous 10 % solution of dimethyl ethanol amine.
Contamination with certain bacteria, fungi or algae may render the product unusable.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
pH (1 : 4 in demineralised water) DIN ISO 976 7 - 8
Viscosity at 23 °C, D = approx. 40 s-1 DIN EN ISO 3219/A.3 mPa*s 1,500 - 3,000
Non-volatile content (1 g/1 h/125 °C/convection oven) DIN EN ISO 3251 % 44 - 47

Property Name Test Method Unit Value
Acid value DIN EN ISO 2114 mg KOH/g approx. 10
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.06
Hydroxyl content (on solid resin, calculated) % approx. 3.9

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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