There are two types of flexible plates: rubber plates and photosensitive grease flexible plates. They use different materials and methods of plate making（1） Rubber versionThe
Shrink film packaging was first applied in France in 1936 and became widely used in the 1960s. The most common production method is to use
With the progress of society and the acceleration of the pace of life, there is a demand for shorter and simpler cooking time, and the
（1） The mounting plate is a relief plate with a soft texture. The printing plate is in direct contact with the plastic film, and the
Any packaging material that can absorb or reduce the impact and vibration of packaging products under external forces during transportation and loading and unloading, and
Shrink film packaging was first applied in France in 1936 and became widely used in the 1960s. The most common production method is to use
The PET films used for packaging are biaxially oriented films that are stretched. PET biaxially oriented films use PET particles extruded at a melt temperature
In the synthetic tree, 25% is used in the packaging industry, which is an important sector in the packaging industry. Plastic packaging is one of
Previously, people always believed that PP and PVC could not be blended, so there were few research reports in this area. However, with the development
Adding EVA to PC/PE alloy can reduce the interfacial tension between PC and PE phases and decrease the size of dispersed phases. As the EVA
