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Master Bond adhesives
Covestro Baybond® PU 401 A Polyester Urethane Polymer
Categories: Polymer; Thermoplastic; Polyester, TP

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

Properties / Applications: Baybond® PU 401 A was developed for the sizing of glass fibers used to reinforce thermoplastics, particularly polyamide. Glass fiber sizes based on Baybond® PU 401 A are characterized by their outstanding film-forming properties and very good adhesion. They have high colorfastness, even at elevated temperatures. Baybond® PU 401 A is also very stable against shear forces.

Information provided by Covestro

Available Properties
  • Density, DIN EN ISO 2811/3
  • Volatiles, DIN EN ISO 3251, 0.9-1.1g / 1h / 125°C, convection oven
  • pH, DIN ISO 976
Property Data

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Manufacturer Notes:
Covestro Deutschland AG, Bayer MaterialScience

Category Notes

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Elmet Technologies
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