• Coatings

Desmodur® BL 3272 MPA

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

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Product Types

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


Elastic, Solventborne, Flexible, Thermally resistant

General Characterization

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


No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
Viscosity at 23 °C M014-ISO 3219/A.3 mPa*s 2,700 ± 750
Color value (Hazen) M017-EN 1557 ≤ 60
Non-volatile content (0.2 g/60 min/80 °C) M020-ISO 3251 % 72 ± 2

Property Name Test Method Unit Value
NCO content, blocked % approx. 10.2
Viscosity at 25 °C M014-ISO 3219/A.3 mPa*s approx. 2,300
Equivalent weight approx. 410
Flash point DIN 53 213/1 °C approx. 50
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.1


Technical Data Sheet
Safety Data Sheet
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