What are the specific requirements for the performance of label stickers?
Publish Time: 2024-08-21
The performance requirements of label stickers usually include the following aspects:
Appearance quality:
Printing quality: Patterns and texts should be clear and complete, without blur, ghosting, missing printing, missing printing, etc.; colors should be bright and uniform, consistent with the design draft or sample, and without obvious color difference.
Surface quality: The surface of the sticker should be flat and smooth, without wrinkles, bubbles, scratches, damage and other defects; for label stickers with special surface treatment (such as matte, laser, etc.), they should meet the corresponding surface effect requirements.
Cutting accuracy: The edges are cut neatly, without burrs, jagged edges or dimensional deviations, and the shape and size should be consistent with the design requirements.
Adhesive performance:
Initial adhesion: When the label sticker is first pasted, it should be firmly attached to the surface of the object to be pasted and not easy to fall off. For example, in daily life, if the label stickers on the purchased goods have poor initial adhesion, they may fall off during transportation or storage.
Stickiness: After long-term sticking, it can still maintain good stickiness and will not easily lift up or fall off due to environmental factors (such as temperature, humidity, dust, etc.) or slight changes in the surface of the object being stuck. For example, label stickers used outdoors need to withstand the test of wind, sun, rain, etc., and still maintain stickiness.
Removal without residue: When the label sticker needs to be removed from the surface of the object being stuck, it should be able to be removed relatively cleanly, and no difficult-to-clean glue stains or residues will be left on the surface of the object being stuck, so as not to affect the appearance of the object being stuck or secondary use.
Environmental resistance:
Temperature resistance: Under different temperature conditions (including high and low temperatures), the label sticker should be able to maintain its stable performance. For example, in high temperature environments (such as inside a car, near an oven, etc.), the label sticker should not deform, soften, lose stickiness, etc.; in low temperature environments (such as frozen warehouses, outdoors in cold areas, etc.), it should not be brittle, cracked or lose stickiness.
Moisture resistance: In an environment with high humidity or contact with water, the label sticker should have good waterproof performance, and will not deform, fade, or change viscosity due to moisture, so as to ensure the readability and integrity of the label information. For example, the label stickers on bathroom supplies and kitchen supplies need to have a certain degree of moisture resistance.
Chemical resistance: For label stickers that may come into contact with chemical substances (such as detergents, solvents, oils, etc.), they should have a certain degree of chemical corrosion resistance, and will not dissolve, change color, or deteriorate due to contact with chemical substances, so as to ensure the normal use and appearance of the label. For example, the label stickers on the packaging of chemical products need to have good chemical resistance.
Durability:
Wear resistance: During daily use or transportation, the label sticker may be subjected to external forces such as friction and scratching, so it should have a certain degree of wear resistance to ensure that the pattern, text and other information on the label surface are not easily worn or damaged, and remain clear and readable. For example, labels on some items that are often touched or rubbed, such as electrical switches and tool handles, need to have good wear resistance.
Anti-aging performance: After long-term use and storage, label stickers should be able to resist the effects of natural aging, including ultraviolet radiation, oxidation, etc., and will not turn yellow, fade, or become brittle, so as to ensure that the label always maintains a good appearance and performance during its service life. For example, label stickers on outdoor signboards that are exposed to the sun for a long time need to have good anti-aging performance.
Dimensional stability: Before and after pasting, label stickers should maintain dimensional stability, and will not undergo obvious expansion and contraction or deformation due to environmental changes or their own reasons, so as to ensure that the label can be accurately attached to the surface of the object being pasted, and the appearance after pasting is neat and beautiful. For example, for label stickers on some products with high dimensional accuracy requirements (such as electronic products, precision instruments, etc.), dimensional stability is particularly important.
Other properties:
Easy processing: For label stickers that require subsequent processing such as die-cutting, printing, and hot stamping, they should have good processing performance, be easy to process, and maintain good quality and performance after processing.
Environmental performance: With the increasing awareness of environmental protection, labels and stickers should be made of environmentally friendly materials as much as possible, comply with relevant environmental standards and requirements, and reduce pollution to the environment and harm to human health.
