Overview of hose labels:
The use of labels on hoses to enhance the value of product packaging has become the highlight of daily packaging. Usually, two labels are used to decorate the hose on both sides using front and rear labels or to decorate the hose with 360-degree wrap around . People need to squeeze the hose when using the hose. At the same time, because the hose needs to be sealed after filling, and after the hose is sealed, the shape of the hose tail changes from cylindrical to linear. A large deformation occurs, and the label attached to the surface of the hose is easily deformed and bulged due to the stress caused by the deformation. Therefore, special label materials are required for hose labels, and strict requirements are put forward in the labeling process of hose surface treatment, label shape design, label labeling position, labeling time and other labeling procedures.
Notes on labeling of hoses:
Label selection: Due to the large deformation of the tube body after sealing, when using 360-degree wrap for full-period decoration, it is especially necessary to choose a thin and soft label surface material to adapt to a certain degree of deformation, but the hose label often has an area Larger, and need to choose a certain stiffness label material to meet the requirements of automatic labeling. The thinnest 250 series material in the unidirectionally stretched polyolefin film material of Avery is very suitable for the selection of the face material of the hose label, and it needs to use a special adhesive to match. The transparent Fasson Clear 250 film with forged surface gloss can match the expressiveness of most color hoses. Avery Fassen products will launch special hose materials in response to market demand. For details, please refer to the attachment: "Fasen hose label material catalog"
Hose surface treatment: The body of the hose is usually made of low-density polyethylene material. Because the surface energy of the low-density polyethylene material is very low, it is difficult for the adhesive to have a good binding force with the surface of the hose. In order to improve the proper adhesion between the tube body and the label, it is necessary to modify the surface of the hose and apply a surface coating on the tube body. At present, the coatings commonly used by hose companies are heat-cured varnish and UV-cured varnish. In the composition of varnish, the silicone oil and wax in the varnish should be removed or reduced. , And stabilize the coating process of varnish formula, coating thickness and dryness. Generally speaking, the heat-curable varnish is better than UV-curable varnish.
Label shape design: In order to avoid as far as possible and disperse the stress caused by the deformation of the tube tail on the label, the four corners of the label near the tube tail can be designed as arc openings larger than R5.
Labeling location requirements: In order to avoid and disperse the stress of the tube tail deformation on the label as much as possible, the distance between the label and the nozzle should be greater than 10MM.
Sealing time: Since the adhesion between the self-adhesive label and the tube body needs to reach a stable and high level of adhesion after 24 hours, the sealing process should be performed after 24 hours of labeling the tube body.
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