Baybond® PU 2277

Anionic/non-ionic polyester urethane polymer.As the film-forming component in glass fiber sizes

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Product Types

  • Dispersion
  • Glass fiber sizing dispersion
  • PU dispersion
  • Waterbased dispersion


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General Characterization

Anionic/non-ionic polyester urethane polymer.
As the film-forming component in glass fiber sizes

Storage Conditions

- Storage in original sealed Covestro container.

- Recommended storage temperature: 5 - 30 °C.

- Protect from frost, heat and foreign material.

General information: The product cannot be used if it has been frozen.


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Packaging Type

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Technical Properties & Datasheets


Property Name Test Method Unit Value
Non-volatile content (0.9-1.1g / 1h / 125°C, convection oven) DIN EN ISO 3251 % 40.5 ± 1.5
Particle size Dv 0.9 µm ≤ 2.0
Particle size Dv 0.5 µm ≤ 0.5000
Viscosity at 23°C spindle L1/30 rpm M092-ISO 2555 mPa*s < 200
pH value at 23 °C (supply form) DIN ISO 976 6.5 - 8.5


Technical Data Sheet
Safety Data Sheet
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