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  • Coatings, paints & inks

Bayhydrol® A 2809

OH-functional PAC combinable with aliphatic PIC for 2K PU for heavy transport finishing, industrial, plastic and wood coatings. With amino resins or BL-PIC for 1K industrial baking coatings.

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About

Product Types

  • Dispersion
  • Acrylate dispersion

Material

Coatings, paints & inks
Elastic, Hard, Waterborne, Flexible

General Characterization

Water-reducible, hydroxyfunctional polyacrylic dispersion
In combination with aliphatic polyisocyanates to formulate aqueous two-component clear-, topcoats, primer and filler for heavy transport finishing, industrial coating, plastic and wood applications.
In combination with amino resins or blocked polyisocyanates for waterborne one-component industrial baking coatings.

Storage Conditions

- Storage in original sealed Covestro container.

- Recommended storage temperature: > 0 ≤ 30 °C.

- Protect from frost, heat and foreign material.

General information: 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 restored to its original value by the addition of small amounts of an aqueous 10 % solution of dimethylethanolamine. 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.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
OH % on solid calculated % approx. 3.3
Acid value (supply form) DIN EN ISO 2114 mg KOH/g approx. 12
Density at 20 °C DIN EN ISO 2811-2 g/ml approx. 1.07

Specifications

Property Name Test Method Unit Value
Non-volatile content (1g/1h/125 °C/convection oven) DIN EN ISO 3251 % 45 - 49
pH-value DIN ISO 976 7.5 - 8.5
Viscosity at 23 °C, D = approx. 40 s^-1 DIN EN ISO 3219/A.3 mPa*s ≤ 2,500

Downloads

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

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