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The core of CMYK control lies in precise registration and proper color registration. To prevent color misalignment, ghosting, or color overflow, the registration error must be strictly controlled between ≤ 0.1 mm (high precision) and 0.3 mm (standard). Below is a brief analysis covering prepress design, printing equipment, and the printing process; it can be said that prepress preparation plays a direct role in ensuring accurate color registration. 1. For lines and text: the finest lines should be at least thickened to 0.2 mm; small fonts should not be printed in four colors – they must be printed in monochrome. 2. At the boundaries of multi-color images: to prevent white areas from appearing, a blind registration process should be applied to the CMYK sections — for example, expanding the dark edges outward by 0.05 – 0.2 mm. 3. Keep the total CMYK ink volume within an appropriate range. Theoretically, each CMYK value can range from 100% to a maximum of 400%; however, the maximum allowa...

  Plastic Labels (Waterproof, Oil-proof & Tear-resistant) 1. Clear Polyester (Clear Dragon) Features: Transparent face stock, waterproof, oil-proof, damage-resistant with outstanding visual presentation. Application scenarios: Shampoo labels, daily chemical product labels, health care & pharmaceutical labels, food sealing stickers, gift & toy labels, electronic and electrical appliance labels, etc. Many clients require labels for shampoo and other products to be applied via automatic labeling machines afterward. For such needs, 5-micron grid-liner transparent material is available and can be processed into roll labels. Available processes: lamination, die-cutting, white under-printing, hot stamping, waste stripping. 2. Glossy White PVC Features: Milky white face stock, waterproof, oil-proof, sun-resistant, mildly corrosion-resistant. Application scenarios: Outdoor advertising labels, food labels, labels for oil drums & engine oil barrels, instruction labels for agri...