The PET thin grains used for packaging are biaxially oriented with controlled stretching. The PET biaxially oriented stretch film uses PET particles extruded at a
According to statistics from the Food and Agriculture Organization of the United Nations in the 1990s, 30% of the world’s food was discarded due to
The application of greenhouse plastic film is one of the most important symbols of agricultural technology development. Up to now, agricultural plastic film has been
The production of BOPP film is to first make a sheet or thick film from the melt of polymer polypropylene through a narrow machine head,
Biaxially oriented (oriented) films, after being extruded and blown into thick films, are rapidly cooled to a commercial elastic state, and then stretched longitudinally and
PP is a resin that is easy to age. Because Xulao products are used outdoors, there is a great demand for the anti-aging modification of
After the raw materials are determined, as long as the processing temperature, die gap, film cooling, inflation ratio, traction ratio and other parameters are controlled
Co extrusion method can laminate multiple melt layers together (usually using multiple extruders to feed through the same head). This method uses melt heat to
The adhesive for dry composite packaging has basic requirements for adhesives. There are many types of adhesives used in composite packaging, especially for food and
