What does a film blower do? Is it poisonous? Please answer the insider, thank you.

Work contents of the film blowing machine:

Mixing plastic rice and color masterbatch according to the formula, blowing, adjusting thickness, blanking finished products, weighing, warehousing, etc.

It has certain toxicity. The raw material for blowing film is also a kind of plastic, so it is harmful to the body, especially at high temperature.

The raw materials of plastic bags are generally divided into polyethylene (PVE) and polyvinyl chloride (PVC).

First, polyethylene. Polyethylene is composed of hydrocarbons, which produce carbon dioxide and water when it is completely burned, and carbon particles (black smoke) and carbon monoxide when it is not completely burned. Polyethylene is flammable.

Second, polyvinyl chloride. The composition of PVC is hydrocarbon chlorine, which will produce HCL when burning, and it is commonly known as hydrochloric acid after being dissolved in water. PVC is flame retardant.

Therefore, if it is burned at high temperature, the operation of polyethylene has little impact on human health, while PVC is harmful to health, so it is best to wear a mask.

Film blowing is a plastic processing method, which means that plastic particles are heated and melted and then blown into thin films. Usually, the polymer is extruded to form a tubular film blank, which is blown to the required thickness by high-pressure air in a good melt flow state, and then cooled and shaped to form a film.

The quality of film blowing in this processing technology is related to the film blowing machine and plastic particles.

If the film blowing material produced by professional film blowing machine is suitable for all kinds of high-grade film packaging. This film has good barrier, freshness, moisture resistance, frost resistance, oxygen barrier and oil resistance, and can be widely used in light and heavy packaging.

References:

Blow film _ Baidu Encyclopedia