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无纺布袋为什么能防水


来源:本站 作者:jnjs 日期:2019/3/26 16:52:06 浏览次数:100

  现在市场上的无纺布袋和环保袋,质量上都十分不错,价钱不高,但基本都有防水的作用。那么,这些类似袋子的防水作用是怎么做到的呢?
  Nowadays, non-woven bags and environmental protection bags on the market are of good quality and low price, but they are basically waterproof. So, how can these bags be waterproof?
  可能很多人都知道无纺布是一种环保透气的材料,自然环境下比较容易分解,通常无纺布袋厂都直接用这种布料来制作产品,一般的印刷工艺有丝印或者胶印,这两种印刷工艺对无纺布没什么特殊的改变。对于环保水墨印刷来说,环保袋通过水洗后印刷的图案会被冲洗掉。
  Maybe many people know that non-woven fabric is an environmentally friendly and breathable material. It is easy to decompose in natural environment. Usually non-woven bag factories use this material directly to produce products. The general printing process includes silk or offset printing. These two printing processes have no special changes to non-woven fabric. For environmentally friendly ink printing, the printed pattern of the environmental bag after washing will be washed out.
  无纺布袋覆膜是一种不同于丝网印刷的生产工艺,它的特点是印刷的图案能达到照片级的效果,能印刷各种复杂的彩色图案,它是在无纺布的表面覆盖一层PP薄膜,这样无纺布在牢固性方面也得到了很大的改善,同时无纺布还能起到防水的特点,其表面的印刷图案不会因水洗而褪色。
                                  
  Non-woven bag film covering is a kind of production process different from screen printing. Its characteristics are that the printed pattern can achieve photo-level effect and print various complex color patterns. It is covered with a layer of PP film on the surface of non-woven fabric, so that the firmness of non-woven fabric has been greatly improved. At the same time, non-woven fabric can also play a waterproof feature, and the printed pattern on its surface can also be printed. It will not fade due to washing.
  所以,实际在其作用的就是这层覆膜,我们平时用的那些无纺布袋子之所以图案不会褪色,又能防水,很大程度上都是靠它在这之中起到真正的作用。
  Therefore, in fact, the role of this layer of film, we usually use those non-woven bags design will not fade, but also waterproof, to a large extent, depending on it to play a real role in it.


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