Submit
  • Coatings, paints & inks

Desmodur® BL 3175 SN

Blocked aliphatic HDI-polyisocyanate. With Desmophen® grades to formulate lightfast one-component polyurethane stoving coatings; as an additive to improve flexibility and adhesion.

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

About

Product Types

  • PIC
  • HDI
  • Isocyanate
  • Polyisocyanurate
  • Aliphatic polyisocyanate
  • Crosslinkers
  • Polyisocyanate
  • Hardeners

Material

Coatings, paints & inks
Elastic, Solventborne, Thermally resistant, Flexible

General Characterization

Blocked, aliphatic polyisocyanate based on HDI.
In combination with Desmophen® grades to formulate lightfast, one-component polyurethane stoving coatings; as an additive in conventional stoving systems to improve flexibility and adhesion.

Storage Conditions

- Storage in original sealed Covestro container.

- Recommended storage temperature: 0 - 30 °C.

- Protect from moisture, heat and foreign material.

General information: Storage at higher temperatures will result in increase of color and viscosity. Storage at significant lower temperatures will result in solidification. This solidification is reversible by briefly heating the product without adversely affecting the quality of the product.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.06
Viscosity at 25 °C M014-ISO 3219/A.3 mPa*s approx. 2,800
Blocked NCO content % approx. 11.1
Flash point DIN 53 213/1 °C approx. 45
Equivalent weight approx. 380

Specifications

Property Name Test Method Unit Value
Color value (Hazen) M017-EN 1557 ≤ 60
Non-volatile content (0.2 g / 60 min / 80 °C) M020-ISO 3251 % 75 ± 2
Free NCO content, modified M105-ISO 11909 % ≤ 0.2
Viscosity at 23 °C M014-ISO 3219/A.3 mPa*s 3,300 ± 400

Downloads

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

Do you want to know more about Desmodur® BL 3175 SN?
Get in touch with our experts!

How would you describe yourself?

What type of material are you interested in?

What type of industry are you interested in?

What type of inquiry is this?

How can we contact you?

* Mandatory Fields

{"FieldName":"","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":"No results for","MaxItem":10}
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":"No results for","MaxItem":10}

Request a sample

Hello! Thanks for reaching out to us.
We have received your request and one of our experts will be in touch with you as soon as possible.
In the meantime, feel free to discover our innovative material solutions!

Speak to you soon,
Your Covestro Team

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":"No results for","MaxItem":10}

Request a quote

Hello! Thanks for reaching out to us.
We have received your request and one of our experts will be in touch with you as soon as possible.
In the meantime, feel free to discover our innovative material solutions!

Speak to you soon,
Your Covestro Team

Compare