塑料瓶盖必须绝对密封，但也应该很容易打开。为了确保这些品质，需要使用有机硅改性的材料来制造这些瓶盖。
但是，这种材料的表面张力比较低，所以，只有经过等离子处理，才能在瓶盖上安全地印刷图案，特别是在使用不含溶剂的、保障食品安全的油墨时。基于上述原因，过去若干年以来制造商们一直使用Openair®等离子技术，增加瓶盖的表面张力。
等离喷枪可以直接集成到高速运转的现代自动移印机上。
Plasmatreat goes virtual and is present at the 2nd Virtual Battery Exhibition from VDMA battery manufacturing, which will take place online from April 27 to May 3. On its virtual booth the company will present highlights about its own developed and patented Openair-Plasma technology for surface treatment especially for battery manufacturing.
