Extrusion blow molding / Direct blow molding

Extrusion blow molding (direct blow molding) suitable for hollow products such as tanks, ducts, and bottles.

Introducing extrusion blow molding (direct blow molding). What kind of molding method is extrusion blow molding, and what can be made with it? Everyday items you encounter, such as detergent bottles found in supermarkets, are made using extrusion blow molding. With extrusion blow molding, containers with handles can also be formed without secondary processing. If you are considering the production of hollow products like tanks or bottles, or if you have concerns about production methods, please feel free to contact us. 【What is extrusion blow molding?】 Extrusion blow molding is a hot parison method where melted resin is extruded into a cylindrical shape (commonly known as a parison) and air is directly blown into it before it cools, which is also referred to as direct blow molding. Typically, air is blown in from the top, but there are also methods that blow air from the sides or bottom. It is a historically old molding method that is used in various fields, including food containers, oil tanks, and automotive parts.

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