A. Safety matters when installing the hot melt adhesive laminating machine. 1. When installing the hot melt adhesive machine, a correct and effective grounding wire must be connected. Any equipment...

Various processing techniques have been developed to produce unidirectional and bi-directional stretch PET films. Typical processing includes the following steps: ① Extrusion of PET using a hanger ty...

Before understanding the PVA film production line, let's first get to know PVA, Chinese name polyvinyl alcohol. Polyvinyl alcohol is one of today's large-scale industrial production of synthetic resin...

1. Single-screw extruder structure The structure of single-screw extruder is shown in Fig. 2-2. It mainly consists of five major parts: extrusion plasticising system, transmission system, material su...

Very Low Density Polyethylene Very low density polyethylene (VLDPE) is copolymerised by ethylene and α-olefin, α-olefin has 1-butene, 1-octene, etc., and is mostly produced by gas-phase or liquid...

1.The static electricity of plastic film Insulating material friction, easy to produce static electricity; the higher the insulating properties of the object, the more likely to produce static electr...

I.    Production of polythene heat-shrinkable film The production of polyethylene heat-shrinkable film for packaging can be carried out either by the single-bubble method (direct blow-mould...

1. Polyethylene Polyethylene is the most commonly used resin in co-extruded barrier multilayer laminated films. According to the different densities, polyethylene is divided into low-density polyethy...