The UL standard for labels is specified in UL 969.
UL standards refer to safety standards issued by Underwriters Laboratories Inc. In the United States, UL standards are socially trusted as the highest authority on safety standards, and UL is recognized in safety regulations at the state and municipal levels. Consumers have made it a habit to use the UL mark as a benchmark for safety, guiding their product selection. In Japan, for example, a ruler with a JIS mark is intuitively understood to have high precision. Similarly, there is a recognition that "UL mark = high safety." CUL certification is a certification standard for Canada, where UL conducts tests based on CSA standards and issues certifications under an agreement with CSA. 【UL Standards】 ○ Recognition Mark → A mark indicating that UL has evaluated and certified components/materials used in UL-certified products. ○ Listing Mark → A mark indicating that UL has tested samples of the product and determined that they meet the requirements specified in the safety standards issued by UL. For more details, please contact us or download the catalog.
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basic information
【Identification Items for UL Standard Approved Products】 ○1) Label Base Paper → Combination of surface substrate, surface coating, adhesive, release material, and thickness of the surface substrate. ○2) Substrate → What material it will be applied to (the temperature changes with the combination of the substrate). ○3) Usage Conditions → Indoor use, outdoor use (with color restrictions), combination of usage temperatures. ○4) Printing Conditions → Combination of printing method and ink. ○5) Surface Treatment → Presence or absence of lamination. ○6) Printing Conditions → Combination of label base paper and printing ribbon. ● For more details, please contact us or download the catalog.
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Company information
Founded in 1982 in Miyakonojo, Miyazaki, Japan, Sunny Sealing Co., Ltd. is a manufacturer of labels and precision film components. Building on the printing and adhesive converting expertise we developed through label production, we have expanded into precision die-cutting of optical and functional films and high-precision slitting. Our headquarters factory is equipped with cleanrooms and supports precision processing with dimensional accuracy from ±30 μm. Our products are used in the medical, automotive, semiconductor, and aerospace industries. Our nonconformance rate was 0.045% of shipments in fiscal 2025. From material selection and process design to prototyping, small lots, and mass production, we support your project from start to finish. Our work has won the Highest Excellence Award at the World Label Contest and the Minister of Economy, Trade and Industry Award at the All Japan Label Contest. ISO 9001 / ISO 14001 certified.
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