Sponge and Foam Bunsplitting/Bunwelding 

Roll and sheet good converting capability

Sealing Devices houses one of the nation’s only bun splitting machines, making us uniquely positioned to offer custom converting on sponge rubber.  This state-of-the-art equipment is capable of converting Neoprene/EBDM/SBR sponge, Neoprene, EPDM/Blend, ECH Sponge, Ensolite PVC/Nitrile, and other products as needed. 

Our bunsplitting capability delivers flexibility to offer custom converted materials. As with many of our other products product offerings, PSA (Pressure Sensitive Adhesives) can be laminated to the sponge/foam and the products will be provided as cut sheets, roll goods, or finished parts based on your individual requirements or job size.




  • Flexible Roll Lengths Tailored to Your Custom Needs
  • Lamination of PSA’s to Sponge
  • Sponge Gaskets- Rolls, Sheets, or Finished Parts
  • Raw Material
  • Competitive ‘Per Lineal Foot’ Pricing