The 53-400 White Ribbed Polypropylene (PP) Caps comes with a .020 polysty / FS 5-8 HIS Liner. HIS Liners are for when you need to have a tamper evident seal to your bottle. The installation of this liner requires a special piece of equipment, which allows a foil liner to be tightly sealed to the top of the container. You will see this often used in the food pharmaceutical industries..020 polysty / FS 5-8 HIS Liner
- .020 polysty / FS 5-8 HEAT SEAL, Heat Induction Seal (HIS) Liner, is a paper-backed aluminum foil coated with a clear heat sealable coating. It can be permanent laminated to polystyrene foam or wax bonded to a pulp backing. Great for dry products, fruit juices, milk, glass cleaner, peroxide, and spices. It will seal to most containers. Not recommended for products containing oil. Weld bond seal to PE, PP, PS, PET, PVC and treated glass.
** Caps with Heat Induction Seal (HIS) Liners must be applied using an heat induction sealer