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Bayhydur® BL 2781

Water-thinnable, aliphatic, blocked polyisocyanate

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About

Product Types

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

Material

Coatings, paints & inks
Solvent-free, Flexible, Thermally resistant, Elastic, Waterborne

General Characterization

Water-thinnable, aliphatic, blocked polyisocyanate
In combination with Bayhydrol® polyols in the formulation of water-thinnable, lightfast, one-component polyurethane stoving coatings. Also as an additive to improve the flexibility, impact strength and adhesion of conventional aqueous stoving systems.
Bayhydur® BL 2781 is a further development of Bayhydur® VP LS 2310 without cosolvent.

Storage Conditions

No data available

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Blocked NCO content, theoretical % approx. 3.5
Density at 20 °C g/cm3 approx. 1.06
Appearance yellowish to reddish, clear to cloudy
Equivalent weight approx. 1,200

Specifications

Property Name Test Method Unit Value
Viscosity at 23 °C, D = 10 s^-1 M014-ISO 3219/A.3 mPa*s 800 - 9000
pH (10% solid content in demineralized water, 20°C) M022-ISO 976 8 - 10
Non-volatile content (1 g/1 h/105 °C) M020-ISO 3251 % 35.0 - 38.0

Downloads

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

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