Baybond® PU 403

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

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Product Types

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


No data available

General Characterization

Anionic/non-ionic crosslinking polyester urethane polymer.
Use 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
pH value at 20 °C (supply form) DIN ISO 976 6.0 - 8.0
Particle size Dv 0.9 µm ≤ 0.5
Viscosity at 23 °C,spindle L 2 / 30 rpm DIN EN ISO 2555 mPa∙s < 250
Particle size Dv 0.5 µm ≤ 0.3
Non-volatile content (0.9-1.1g / 1h / 125°C, convection oven) DIN EN ISO 3251 % 39 ± 1


Property Name Test Method Unit Value
Density at 20 °C DIN EN ISO 2811/3 g/ml approx. 1.0
Average particle size photon correlation spectroscopy nm 200 - 400


Technical Data Sheet
Safety Data Sheet
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