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Macromolecule venting seal liner is also called "breathable liner" can avoid the container's (bottle) distortion in the filling at high concentrations of the volatile liquid, the case of an external force (or shake in transit, or during hot weather), Bottle will naturally got inside pressure, leading to deformation of the container, or directly lead to cap or closure damage.
Macromolecule venting seal liner is a combination of PE liner laminating with macromolecule venting membranes. When use it, the user simply aligned with the groove side of the liner with the cap then push down inside, then tighten the cap and you can achieve that "venting but no leakage". |