Self-adhesive label printing is a common process in many industries, but it often leads to unnecessary losses and complications for both manufacturers and end users. The root cause usually lies in the lack of understanding of the properties of self-adhesive materials. Based on the characteristics of these materials, this article explores real-world challenges faced by label printers and material suppliers, offering practical solutions and insights to help improve the quality and efficiency of label production.
Case 1: Using Permanent Adhesive Materials Leads to Difficult Label Removal
A well-known label printing company in Guangzhou once encountered a major issue when producing clothing size labels. They mistakenly used permanent adhesive materials instead of removable ones. As a result, the labels could not be easily removed from the garments, causing significant problems for both the manufacturer and the customer. This highlights the importance of selecting the correct adhesive type based on the intended use. Permanent adhesives are meant for long-term applications, while removable ones are ideal for temporary labeling like clothing tags. Understanding these differences can prevent costly mistakes.
Case 2: Material Mismatch Causes Bubbles and Wrinkles on Drum Labels
A label printing company attempted to reduce costs by using mirror-coated paper instead of PE (polyethylene) material for oil drum labels. While the cost was lower, the labels began to blister and wrinkle after application. This happened because the paper absorbed moisture differently than HDPE (high-density polyethylene), leading to poor adhesion. For labels applied to oil drums, it's crucial to match the material with the surface. If paper is used, it should be coated with varnish or kept away from moisture to avoid such issues.
Case 3: Thermal Paper Causes Lost Information on Export Labels
A company faced a serious problem when their export logistics labels lost all printed information during a sea shipment. The customs refused to clear the goods without proper identification, leading to substantial financial loss. The issue stemmed from the use of thermal paper, which is sensitive to heat and humidity. Unlike thermal transfer paper, which uses a ribbon and produces more stable prints, thermal paper is prone to fading in harsh environments. For international shipping, where labels may be exposed to extreme conditions, thermal transfer paper is a better choice to ensure long-term readability.
In conclusion, choosing the right self-adhesive material is essential for successful label printing. Whether it’s for clothing, oil drums, or export shipments, understanding the properties of each material and matching them to the application can prevent costly errors and improve overall performance. Always consult with material suppliers and consider environmental factors before making a decision. With the right knowledge, label printing can become a smooth and efficient process.
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