such as coffee, creamer, tea, sauces, soups, spreads, vitamin extracts etc..
The seal (Insert, Liner or Wad) material is inserted into the cap (closure or lid). When the cap is placed onto the full container, the seal material in the cap makes contact with the top lip of the container and adheres in one of three ways:
- In a separate operation the container’s top lip has glue rolled onto it before the cap and the seal material inside the cap are either screwed or snapped into place.
- The material is supplied with a torque activated glue or adhesive
- The material supplied allows for Induction Heat Sealing. We have a wide range of material in this area and have materials suitable for sealing to both plastic and containers.
When the sealed container has its cap removed, a separation layer allows the Board or Foam of the seal to remain in the cap. With the cap removed the product can be seen with the integrity of its contents being maintained by a layer of foil or glassine. The Board or Foam is left in the cap to allow for air tight resealing of the container. (Board is used for screw cap lids and Foam is used for snap cap lids)