Views: 19 Author: Site Editor Publish Time: 2022-11-25 Origin: Site
paperboard cartridge is very common in product packaging, but due to its unique appearance and super plasticity, it has now become a decoration in the hands of designers. It is very novel as an interior decoration and the construction effect of art installations.
What is the structure of the paperboard cartridge?
What is the use value of paperboard cartridge?
Why do we need to use a paperboard cartridge?
The cylinder of the paperboard cartridge is a paper cylinder with an aluminum film attached inside, the head is an aluminum skin cover with a glue outlet, the glue outlet is provided with an aluminum film seal, and the tail is an aluminum inner plug. The sealing of this type of paper tube mainly depends on the sealing effect of the aluminum film of the paperboard cartridge, the cover of the head and the inner plug of the tail. The connection method between the cover and the paperboard cartridge is to wrap the aluminum skin on the outer edge of the cover to cover the head of the main cylinder and press-fit to form a connection. However, because the cylinder is softer than the cover and easily deformed by external force or thermal expansion and contraction, or the pressure of the aluminum skin of the cover is insufficient for pressing and wrapping, it is easy to cause formation between the aluminum skin and the paper tube. Tiny gaps reduce air tightness, which in turn reduces the shelf life of the moisture-curable adhesive in its packaging.
It can be used for paste adhesives such as polyurethane sealant, silicone sealant, etc. The packaging methods mainly include sausage-shaped flexible packaging and hard tube packaging. Among them, the main materials of paperboard cartridge are: aluminum tube, pp plastic tube, paper tube, etc. Paper tubes have the advantages of low cost, recyclable materials, and good sealing performance, and are widely used in the packaging of paste-like adhesives that are sensitive to moisture.
The use of paperboard cartridges is conducive to sealing the gaps with sealant. There are grooves of a certain width and depth at the top of each gap in the concrete slab of the pool. Therefore, before construction, the dust in the grooves should be removed with compressed air. Clean it thoroughly, and apply a layer of cleaning agent in the groove first, and then apply the sealant after the cleaning agent is dry. In addition, in order to ensure the construction quality, special attention should be paid to avoid air remaining in the sealant, because in the presence of air, air holes will be formed after the sealant solidifies, which is easy to form loopholes and affect the sealing and waterproofing effect.
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