Polymer blend refers to a mixture of two or more homopolymers or copolymers, especially plastic blends. Although plastics have many excellent properties, they still have
Polyvinyl chloride (PVC) is a polymer compound polymerized from vinyl chloride monomer. Due to the presence of chlorine atoms on the polymer backbone, its polymer
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
（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
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
Extrusion casting composite film is a process of using a T-shaped die of an extruder to cast a thermoplastic onto other substrate films. After being
Biaxially oriented polypropylene film (BOPP) has the advantages of light weight, transparency, non toxicity, moisture resistance, and water resistance. It has good thermal stability, chemical
This article mainly introduces the forming process of rigid polyurethane foam composite plate. Rigid polyurethane foam composite plate takes foam as the core material and
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
