Amongst Freund Container’s broad offering a selection of “Leak-Proof” containers guaranteed to perform are available. However, these are often used for industrial applications and are not very attractive. To help our customers looking for leak-proof performance with style that will standout on the shelf, here are some tips:
In majority of cases, when correct torque is applied to closures, containers & closures can be mated to deliver leak-free performance. It is important to note this is not the same as leak-proof, which has been designed to resist leaking under extreme circumstances.
- Correct amount of torque is crucial to achieve leak-free performance.
- Do not fill the container to the top. Be sure to allow headspace in the container providing room for expansion and movement of contents inside the container.
- Threads and top of container must be wiped dry of any liquid prior to applying the closure. Doing so will provide a dry surface for closure’s inner seal to “seat” on. Moisture creates a wet “path” allowing liquid to travel for future propagation.
- Liquid with very low viscosity (runny liquids), particularly oils, are often a challenge to seal correctly. However, with the correct amount of torque applied to a dry closure and container seat, you can be successful.
- During this process containers should remain upright at all times.