Submit
  • Coatings, paints & inks

Desmophen® 680 BA

Branched OH-bearing PES combinable with Desmodur® N for 2K PU with good gloss retention, lightfastness and chalking resistance. In combination with Desmodur® L and HL for fast-drying 2K PU.

Contact expert Request a sample Request a quote
i
Market Switch
Selection will influence the results you get.
Copied to clipboard

About

Product Types

  • Polyester resin

Material

Coatings, paints & inks
Weather resistant, Solventborne, Hard

General Characterization

Branched hydroxyl-bearing polyester.
As a co-reactant for Desmodur® N/ultra N in the formulation of two-component polyurethane coatings with good gloss retention, lightfastness and chalking resistance.
Also in combination with Desmodur® L/ultra L and HL in the formulation of fast-drying two-component coatings.

Storage Conditions

- Storage in original sealed Covestro container.

- Recommended storage temperature: max. 30 °C.

- Protect from moisture, heat and foreign material.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Equivalent weight approx. 770
Flash point DIN EN ISO 2719 °C approx. 32
Density at 20°C DIN EN ISO 2811-2 g/ml approx. 1.08

Specifications

Property Name Test Method Unit Value
Viscosity at 23°C DIN EN ISO 3219/A.3 mPa*s 3,000 ± 500
Acid value DIN EN ISO 2114 mg KOH/g 16 ± 3
Hazen color value DIN EN 1557 ≤ 200
Hydroxyl content DIN EN ISO 4629-2 % 2.2 ± 0.5
Non-volatile content 2 g resin/2 ml toluene/ 1 h 125 °C, convection oven DIN EN ISO 3251 % 70 ± 1
Water content DIN 51 777/1 % ≤ 0.1

Downloads

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

Do you want to know more about Desmophen® 680 BA?
Get in touch with our experts!

How would you describe yourself?

What type of material are you interested in?

What type of inquiry is this?

How can we contact you?

* Mandatory Fields

Request a sample
formVersion
{"FieldName":"productName","Endpoint":"https://covestro-prod-ffm.apimanagement.eu2.hana.ondemand.com/hybrispcm/products_typeahead?identKey=GB6LiyNSG0YYxXXEpmO8EyoUdFLN0Roi&max=5&lang=en&extended=true","Language":"en","PermissionQuery":"","BrandLabel":"Brand","ProductLabel":"Product","NoResultLabel":"","MaxItem":10}

Request a sample

sign up successful!

Request a quote
formVersion
{"FieldName":"productName","Endpoint":"https://covestro-prod-ffm.apimanagement.eu2.hana.ondemand.com/hybrispcm/products_typeahead?identKey=GB6LiyNSG0YYxXXEpmO8EyoUdFLN0Roi&max=5&lang=en&extended=true","Language":"en","PermissionQuery":"","BrandLabel":"Brand","ProductLabel":"Product","NoResultLabel":"","MaxItem":10}

Request a quote

sign up successful!

Compare