What are the characteristics of the blow molding raw materials used in the enclosure?

The plastic varieties used for hollow blow molding include polyethylene, polyvinyl chloride, polypropylene, polystyrene, linear polyester, polycarbonate, polyamide, cellulose acetate and polyacetal resin.

1. The consumption of high-density polyethylene takes the first place, and it is widely used in food, chemical and liquid processing packaging. High molecular weight polyethylene is suitable for manufacturing large fuel rubbing tanks and barrels, etc.;

2. Polyvinyl chloride has good transparency and tightness, so it has been widely used in the packaging of cosmetics and detergents. With the development of non-toxic polyvinyl chloride resins and additives, as well as the development of stretch blow molding technology, the amount of polyvinyl chloride containers in food packaging is rapidly increasing, and it has been used for beer and other carbon dioxide gas beverages. package;

3. Linear polyester material is a new type of material that has entered the field of hollow blow molding in recent years. Because of its glossy appearance, excellent transparency, high mechanical strength and good preservation of the contents of the container, the waste is burnt It has the advantages of not polluting the environment during processing, so it has been developed quickly in packaging bottles, and it is most commonly used in pressure-resistant plastic food containers.

4. Due to the modification of its resin and the progress of processing technology, the amount of polypropylene used is also increasing year by year.