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  • Coatings

Desmodur® BL 2078/2

Blocked aliphatic polyisocyanate based on IPDI. In combination with OH-functional polyols, preferably Desmophen® T-grade OH-functional polyesters, in the formulation of lightfast, one-component polyurethane baking coatings, especially in coil and can coating applications, and as an additive to conventional baking systems to improve adhesion and elasticity.

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About

Product Types

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

Material

Coatings
Thermally resistant, Solventborne

General Characterization

Blocked aliphatic polyisocyanate based on IPDI.
In combination with OH-functional polyols, preferably Desmophen® T-grade OH-functional polyesters, in the formulation of lightfast, one-component polyurethane baking coatings, especially in coil and can coating applications, and as an additive to conventional baking systems to improve adhesion and elasticity. Crosslinking agent certified for use in food contact applications* for the production of packaging coatings for the food industry.
*A statement on food contact use for Desmodur BL 2078/2 is available on request.

Storage Conditions

Desmodur BL 2078/2 should be stored in tightly sealed original containers and protected from moisture, freezing, heat, and foreign materials. 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. Recommended storage temperature is 0º-30ºC.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
Non-volatile content (0.2g/60 min/ 140°C) % 60 ± 2
Hazen color value ≤ 100
Viscosity at 23oC mPa∙s 1,750 ± 500

Property Name Test Method Unit Value
Flash point °C 49
Equivalent weight approx. 600
Density at 20oC g/cm3 1.04
NCO content, blocked % approx. 7.0

Downloads

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