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  • Coatings, paints & inks

Desmophen® 690 MPA

Branched hydroxyl-bearing polyester.As the polyol component in colourfast and weather-stable, two-component polyurethane coatings.

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About

Product Types

  • Polyester resin

Material

Coatings, paints & inks
Weather resistant, Solventborne, Hard

General Characterization

Branched hydroxyl-bearing polyester.
As the polyol component in colourfast and weather-stable, two-component polyurethane coatings.

Storage Conditions

- Storage in original sealed Covestro container.

- Recommended storage temperature: max. 30 °C.

- Protect from moisture, heat and foreign material.

General information: The product may be slightly cloudy or may become cloudy during storage. Although this is irreversible, it has not been found to affect the quality of the coating formulation.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Flash point DIN EN ISO 1523 °C approx. 51
Equivalent weight approx. 1,215
Density at 20°C DIN EN ISO 2811-2 g/ml approx. 1.11

Specifications

Property Name Test Method Unit Value
Hydroxyl content DIN EN ISO 4629-2 % 1.4 ± 0.2
Non-volatile content 1 g resin/1 h 125 °C, convection oven DIN EN ISO 3251 % 70 ± 2
Hazen color value DIN EN 1557 ≤ 100
Acid value DIN EN ISO 2114 mg KOH/g ≤ 6
Water content DIN 51 777/1 % ≤ 0.1
Viscosity at 23°C DIN EN ISO 3219/A.3 mPa*s 10,000 ± 3,500

Downloads

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

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