Baybond® PU 401 A

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

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Product Types

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

No data available

Technical Properties & Datasheets


Property Name Test Method Unit Value
Flow time at 23 °C, 4 mm cup AFAM 2008/10503 s ≤ 70
Non-volatile content (0.9-1.1g / 1h / 125°C, convection oven) DIN EN ISO 3251 % 48.0 - 52.0
pH value at 23 °C, (supply form) DIN ISO 976 6.5 - 8.5


Property Name Test Method Unit Value
Density at 20 °C DIN EN ISO 2811/3 g/ml approx. 1.1


Technical Data Sheet
Safety Data Sheet
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