How does the Candle Tin Can lid seal to prevent wax leakage or contamination?- Tongxiang Jiutong Packaging Technology Co., Ltd.

How does the Candle Tin Can lid seal to prevent wax leakage or contamination?

2023-12-21

The lid of a candle tin can is designed to create a seal that helps prevent wax leakage and contamination. The specific sealing mechanism can vary depending on the design of the candle tin can, but here are some common methods used to achieve an effective seal:

Press-Fit Lids:

Some candle tin cans have lids that are designed to be press-fit onto the can. The lid is slightly larger than the diameter of the can, and it is pressed into place. The pressure creates a snug fit, helping to prevent wax from leaking.

Screw-On Lids:

Candle tin cans may feature screw-on lids, similar to the lids on jars. These lids have threads that match corresponding threads on the can, allowing them to be twisted on tightly. This type of lid creates a secure seal to prevent wax from escaping.

Slip-On Lids with a Gasket:

Some candle tin cans come with slip-on lids that include a gasket or a liner. The gasket is often made of a material such as rubber or foam, which provides an additional barrier against wax leakage and helps create a more airtight seal.

Adhesive Seals:

Adhesive seals can be applied to the contact surface between the lid and the can. These seals may be made of materials like foam or rubber and are intended to adhere to both the lid and the can, creating a barrier against wax and contaminants.

Heat-Sealed Lids:

In some cases, the lid may be heat-sealed onto the candle tin can. This process involves applying heat to a layer of material that bonds the lid to the can. Heat-sealed lids provide a tamper-evident seal and can be effective in preventing wax leakage.

Snap-On Lids:

Candle tin cans with snap-on lids have a design where the lid snaps securely onto the can. This type of lid often includes features that lock it into place, creating a tight seal that helps prevent wax from escaping.

The choice of sealing method depends on the specific design and intended use of the candle tin can. Manufacturers may use one or a combination of these methods to ensure a secure seal that keeps the candle wax contained and maintains the quality of the product.