推荐回答（3个）
金属油墨，是指用细小的金属薄片代替传统油墨中的颜料或染料配制而成的、具有独特金属闪亮效果的油墨。常说的金属油墨主要是指银墨和金墨。银墨由铝颜料配制而成；金墨一般由铜颜料和锌颜料按不同的比例配制而成，通过控制和改变它们的配比可以生产出青金、青红金、红金油墨或是所需要的Pantone金属色油墨。
使用金属油墨的心得
由于用来制造金属油墨的物质都是活泼的金属材料，所以金属油墨的化学性质也很不稳定，使用和储存时亦要严格密封，避免吸收过多的水分和长时间被光线直接照射。而在平版印刷时，使用不适当的 润版液 也会很影响其闪亮效果。
此外金属颜料的密度大，所以金属油墨与普通油墨相比，其颜料颗粒非常容易沉淀，使用前如没有充分搅拌，又在上机印刷前没检查油墨桶底部是否有沉淀物，那出来印刷品的色相和光泽度差异较大。金属油墨会在印刷过程中，随溶剂不断挥发，黏度会逐渐增大，为了保证金属油墨稳定而良好的流动性和转移性，要定时测量油墨的黏度和适当添加溶剂，使油墨黏度保持在稳定的状态。
金属油墨的价格比普通油墨高很多，但回收在墨糟用剩的金属油墨，又会发现光泽度是明显下降了，因此，在满足顺畅的生产前提下，在印刷过程中应尽可能多次少量地添加金属油墨，以达不浪废为原则。
塑胶油墨是指专用于各类PS、ABS、PC、 压克力、塑胶漆面层以及耐高温底材等材料印刷时采用的油墨。质量优良的塑胶油墨有着高色浓度、较慢干燥之油墨，具有墨质柔滑、细腻而肥厚之感。印刷性特佳，附着力特优，耐酒精、耐胶水，可满足精细线条、文字印刷，也属低味、芳香型油墨，因其韧性优异而可耐真空吸塑、高温成型而不致引起裂面。
光看表面是看不出来的，要经过测试才知道。
一般的油墨生产商都会有作业指导书，上面都会描叙适用领域。
我是做凹版印刷的，你这个问题，我回答不上来。不过给你推荐个很有用的资源，PP论坛，里面都是做油墨和印刷的朋友，凹版，丝印，柔印，油墨，都很多人是，你上去发帖子跟行业人士交流交流吧，受益匪浅的，我就叫了很多行业朋友。希望采纳，我是真心帮你
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