During the film blowing process, the dew point has a certain influence on the performance of the film. If the dew point is high and above the blown vesicle, the blown film will be blown in liquid state. Blowing will only make the film thinner and the molecule will not be oriented to stretch. The blown film will have a similar performance to that of the tape film.

Three-layer co-extrusion film blower occupies an important status in the plastic industry. Now most of the existing film blower manufacturers in China are not suitable for the market demand and need to improve the technology to produce film blower in the market. In order to get a plastic bag product with controllable quality in the processing of film blower, it is necessary to control each processing link in place.

Generally, the processing process of the film blower consists of feeding heating, traction, and control of air pressure and edge closure. The size of the plastic bag is controlled by how much air is blown, and then it is stabilized by a membrane stabilizer.

Most thermoplastics can be blow-moulded to produce blow-moulded films, which are thin tubes extruded from plastics, then blown with compressed air while hot, and then cooled to form cylindrical film products. The properties of these films lie between the directional film and the co-flow film: the strength is better than the flow film, and the heat sealing is worse than the flow film.

The film blower produces film, which is widely used in food, textile and other industries. It is an indispensable product in our life, and is used for light and heavy packaging. Today we will learn about the performance characteristics of the film blower. The whole machine is compact in structure, low pressure film blower, stable in operation, economical and practical, with advanced frequency conversion technology, high efficiency and energy saving, integrated traction device and self-adjusting and hoisting. Three-layer co-extrusion film blower occupies an important status in the plastic industry. Now most of the existing film blower manufacturers in China are not suitable for the market demand and need to improve the technology to produce film blower in the market.