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  • Coatings

Bayhydur® BL 5335

Hydrophilized, blocked aliphatic polyisocyanate based on Desmodur® W.In combination with Bayhydrol® polyols for the formulation of lightfast, single-component polyurethane baking coatings.

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About

Product Types

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

Material

Coatings
Thermally resistant, Waterborne, Flexible, Elastic

General Characterization

Bayhydur BL 5335 is a hydrophilized, blocked aliphatic polyisocyanate based on Desmodur® W.
It is suitable in combination with Bayhydrol® grade OH-functional polymers for the formulation of lightfast, single-component polyurethane baking coatings.

Storage Conditions

Bayhydur BL 5335 should be stored in tightly sealed original containers and protected from freezing, heat, and foreign materials. The product is sensitive to freezing. Freezing can damage the product irreversibly. Prolonged storage at higher temperatures may result in a decrease of viscosity and/or an increase of average particle size, possibly resulting in sedimentation or coagulation. Recommended storage temperature is 5º-23ºC.

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
Non-volatile content (1 g / 1 h / 105oC) % 34 - 36
pH value at 20°C 4.4 - 6.0
Flow time at 23°C, 4 mm cup sec. 10 - 30

Property Name Test Method Unit Value
Density at 20°C g/ml approx. 1.04
NCO content, blocked (solid resin) % approx. 7.1
Equivalent weight approx. 1,680
Flash point °C 59

Downloads

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