How to identify the quality of color PP packing belt, packing belt manufacturers teach you to identify Now the packing belt has been colorful, like colored packing belt, red, yellow, blue, white and other purposes in order to make marks easy to identify, many people think that this is the color of the packing belt film, in fact, the color is the color of glue. With the development of society, the progress of science and technology, the production technology of various industries is becoming more and more mature, take the packaging to say, there are more and more types, machine, hand, plastic steel, new material, return material, transparent, color and so on to meet the different packaging needs. Without impurity color after you pack the whole roll of color and opened a color difference is not big, because good color packaging with a strong shelter, there is no color overlay, doping color straps will color coating on the film, only with the method of gluing, can appear so often encountered by the magazine particles not packaged with completely dissolved in card knife. |