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温变防伪标签
温变防伪标签的原理
近年来随着造假技术的提高,防伪技术也不断推陈出新,很多企业通过各种防伪技术来保证自己的产品不被假冒,其中温变防伪标签就很受人们亲睐,下面我们就来了解一下温变防伪标签。
温变防伪是借助于温变油墨制作而成的,可以随环境温度的变化而迅速改变其颜色的,使被着色物具有动态的色彩效果。常温时显示特定色或无色,根据温度的高低温变化而变化颜色
北京星汉特种印刷有限公司温变防伪标签样品
温变防伪标签分为可逆型和不可逆型:
可逆型有显色、消色、变色三种:
显色:常温下显示无色,经过加温后变为有色,冷却后有恢复无色,此过程可逆。
消色:常温下呈特定颜色。加温后颜色消失,待温度恢复正常,又恢复到特定颜色。
变色:常温下呈特定颜色,加温后变成另一种颜色,温度降低,颜色恢复到特定颜色。
不可逆型:加温后从无色或从某种特定颜色变为另一种颜色,降温后呈现的颜色也不会消失。
温变防伪标签具有识别简单快捷的特点,通过手就能快速辨别真伪。
应用范围:主要应用于:食品、副食品、 服装、鞋革、种子、农资、特色农产品、汽配、摩配、文化出版制品、轻工、电器、玩具、礼品、化妆品、生活用品、机械、建材产品、烟草、化工类、白酒、葡萄酒、红酒等酒类、电子、耗材等等。