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Fountain Solutions—The Details

机译:喷泉解决方案—详细信息

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摘要

Fountain solution is a major component of the offset lithographic process. Its chemistry has four basic ingredients: water, gum, acid, and a series of additives. Because water comprises more than 96% of the solution, keeping a stable water supply is of key importance. A consistent fountain solution helps control the variables that affect quality and profits through minimizing waste and spoilage. Inconsistent water causes press problems such as plate scum-up, color variation and slow ink drying. Usually, incoming tap water is not very stable. Water suppliers are concerned with generating safe drinking water; therefore they vary the added chemicals along with seasonal changes. While a fountain solution's water supply should be stable and consistent, it should not be pure. Pure, or distilled, water is chemically aggressive and not very compatible with the lithographic printing process.
机译:润版液是胶版印刷工艺的主要组成部分。它的化学成分包括四种基本成分:水,胶,酸和一系列添加剂。由于水占溶液的96%以上,因此保持稳定的供水至关重要。一致的润版液解决方案通过减少浪费和损坏,有助于控制影响质量和利润的变量。不一致的水会导致印刷机问题,例如印版积垢,颜色变化和墨水干燥缓慢。通常,自来水不是很稳定。供水商关心产生安全的饮用水;因此,它们会随着季节变化而改变添加的化学物质。润版液的供水应稳定且一致,但不应纯净。纯净水或蒸馏水化学侵蚀性强,与平版印刷工艺不十分兼容。

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  • 来源
    《GATFWorld》 |2007年第3期|p.14-15|共2页
  • 作者

    Ken Rizzo;

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  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 印刷工业;
  • 关键词

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