invisible ink
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Ceres Customized Security Paper With Colorful Uv Fiber And Thread Line
Security paper is a kind of special paper that has marks or hidden secret marks (patterns, patterns, watermarks, numbers, etc.) on the surface, and is not easy to imitate or change. The security paper has high tensile strength, abrasion resistance and folding resistance. Has excellent water resistance and gravure printability. This kind of paper is used to make banknotes, bank checks and coupons.
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Ceres Screen Printing Glow In The Dark Ink
Glow in the dark ink（Luminous ink） is made of rare earth luminescent materials by high-tech means. It absorbs sunlight in the daytime for 10-30 minutes, and then automatically continues to emit light for more than 10 hours, so it still glows in the middle of the night. Its effect is similar to that of neon advertisements. Neon lights need power to emit light, but glow in the dark ink does not need electricity, which saves energy and can be recycled indefinitely,
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