Dupont Betafill 216 217 218

Betafill 216 / 217/ 218 – Polyurethane-Based Seam Sealant

Betafill 216 is a one component moisture curing polyurethane seam sealant with permanent elasticity and good adhesion to different substrates.

Betafill 216 / 217/ 218 – Polyurethane-Based Seam Sealant

Betafill 216, 217 & 218 are one component, polyurethane-based seam sealants that combine medium strength bonding and sealing properties in a wet one-step operation.

The sealants can be abraded and is over- paintable with most paint systems. Betafill 216 is an improved version of Betafill 10215 Black.

Betafill seam sealants help prevent moisture intrusion that can lead to corrosion.

Betafill is available in a range of colours to suit your applications:

  • Betafill 218, formerly Betafill 10210 White
  • Betafill 217, formerly Betafill 10211 Grey
  • Betafill 216, formerly Betafill 10215 Black


  • Ideal for body repairs, e.g. sealing, filling and finishing.

For pack sizes, please see Additional Information.


  • Black colour
  • Medium strength bonding and sealing
  • No primer required when used on Coated Sheet Metal, GRP, Polyurethane, Polycarbonate

This product is part of the Dow Automotive range

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Filling of gaps and trailing edges
Bonding of sensors and current conductors
Repair, fixing of inserts and added elementsof inserts and added elements
Casing repair and bonding
Tooling with high temperature resistance
Union of added elements: Vortex, Serrations, etc.
Bonding of Nacelle
Control Shaft & Components
Protection of Screws & Components for Export
Sealing of Assembled Parts