Pharmaceutical cap liner is made by introduced foreign technologies, take advantage of chemically inert PTFE and silicone rubber with good flexibility, produced in the ultra-vacuum environment with compounded by material modification. This composite liner is a new sealing and packaging material with good quality and low costs.

The composite cork liner is produced by adopting the best flexibility and elasticity of natural cork, aluminum foil and laminated with high barrier PVDC / EVOH membrane in the ultra-vacuum environment.