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Thermoformed blister trays
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Thermoformed blister trays have, as the name implies, individual cavities or capsules, in which the same type of products are usually placed.
The blister is, actually, a thermoformed PVC alveolus, which allows the product to be viewed through the transparent surface of the package.
They are completely customized packaging, used to transport large series of small and medium-sized parts, which need protection and cannot be packed in bulk. The cavities follow exactly the side of the parts they come in contact with, maintaining their position and protecting them from the tray on top of them.
They can be produced from sheets made of PET, PS, HIPS, ABS, PP, etc., at the thicknesses necessary to support the total weight of the parts in the tray, but with a minimum of material consumption, thus maintaining low costs in production and delivery transport. They can also be produced from sheets with ESD properties. The trays are placed in layers inside the injected plastic boxes.
They are mainly used in the automotive, electronics industry, when it is not possible to return the packaging completely, or when the return costs are much too high and would exceed a possible series of new trays.