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Extrusion Blow Molding Manufacturers and Companies

IQS Directory provides an extensive list of extrusion blow molding companies and suppliers. Utilize our website to review and source extrusion blow molding companies with our easy-to-use features which allow you to locate extrusion blow molding companies that will design, engineer, and manufacture extruded blow molding products for your exact specifications. Our request for quote forms make it easy to connect with leading extrusion blow molding companies. View company profiles, website links, locations, phone number, product videos, customer reviews, product specific news articles and other production information. We are a leading manufacturer directory who will connect you with the right manufacturers whether you are looking for extrusion blow molding equipment, extruded blow molding products, or polystyrene extrusion blow molding.

  • Winfield, KS 620-221-9464

    Our team of experts at Western Industries is customer-focused and customer driven. We serve our customers by helping them every step of the way, offering services such as process improvement, complete product assembly, and full supply chain management. When customers work with us, they choose the Western Advantage. For more information about our services, contact Western today!

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  • Riverside, CA 951-360-6055

    At Blow Molded Products, we have experience doing custom blow molding for a multitude of industries, including furniture, sporting goods, health and safety, electronics, and more. We are capable of performing services such as single & double wall blow molding, and mold making—all at a competitive price. Whether it is a carrying case or a custom designed product, no job is too challenging for us. We are ISO 9001 compliant. Contact us today to learn more!

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  • Sturgis, MI 269-651-9488

    For everything blow molding, from extrusion blow molding to injection molding, we have you covered. We are a fully integrated supplier and offer the highest level of customized service, down to engineering and design consulting for all your project needs. We do it all and with low prices! Visit our website or send us an email to discover why we say the customer is king.

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  • Riverside, CA 951-354-0258

    Founded in 1984, Hi-Rel Plastics & Molding, Inc. is a turn-key manufacturer who offers custom extrusion blow molding and custom plastic injection molding for a variety of industries. Our facility enables us to serve every facet of the molding process. We are capable of producing parts such as T-sections, I-sections, circular sections, and more. Our prices are competitive, our delivery is on time, and superior customer service. Our company is ISO 9001:2015, AS 9100 Rev D, 13485:2016 Certified.

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  • Coloma, MI 269-849-3200

    At SPI Blow Molding, we work hard to ensure that we are on the cutting edge of plastic material science in order to offer the best possible product. Our facility is equipped with state-of-the-art extrusion blow molding machines to accommodate for the most demanding of requirements. Secondary operations and assembly services are also available. Contact SPI today and tell us how our team can work for you.

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  • Williamston, MI 517-655-4351

    RNF Manufacturing has been an industry leader since 1967. We have over 300 stock items in a variety of shapes and sizes. We offer custom blow molding as well as silk printing and labeling. We want to make your design and innovation become a reality. Whether your project is big or little, you can depend on our experts for premium quality.

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businessIndustry Information

Extrusion Blow Molding

The extrusion blow molding process is the simplest method of producing hollow, thin walled plastic containers. Most plastic bottles are manufactured by this method in a wide variety of shapes, sizes, neck openings and handle styles. Finished products range from large water tanks to small disposable eyedroppers.

The extrusion blow molding process is based on glass blowing to produce glass bottles, but uses PET, or biaxial oriented polyethylene terephthalate, as well as high density polyethylene, both of which are considered the best thermoplastics for extrusion blow molding. The plastic bottles are lightweight, usually clear or tinted, and strong enough to withstand the pressure of carbonation in certain beverages. Extrusion blow molding bottles are made to hold beverages like juice and pop, liquid soap, detergent and motor oil for consumer and industrial applications within the food and beverage, automotive, cleaning products, medical, cosmetics and drinking water industries. They are extruded into two mirror molds, and therefore have a visible seam dividing the bottle in half. Compared to other blow molding process, extrusion blow molding generates little waste, all of which is recyclable.

Extrusion blow molding begins with the formation of a parisan, which is a plastic tubular preform. Plastic pellets are loaded into a hopper and fed down into an extruder screw with a heating unit. As the pellets pass through the screw, they become molten and are pumped toward the die head. The liquid plastic flows horizontally and then downward, and emerges as a soft tube preform. The preform, which is called a parisan, is then extruded by compressed air as 2 molds simultaneously come together to form a cavity in the shape of the container. The plastic balloons out and is stretched thin into the mold cavity, taking its shape. The mold cavity is then chilled by cold water running through the molds. The newly formed part will always have a seam where the two mirror molds came together, and a small point at the bottom where the plastic balloon started. Some parts may have excess plastic that needs trimming from the neck or parting lines. The newly formed plastic parts are then put through post forming operations, including drilling, die cutting, milling, painting and adding decals or labels. Each container or part only takes a few seconds to form, and may be done in high volumes. They are formed in a continuous or intermittent method.

More Extrusion Blow Molding Information

Extrusion Blow Molding
Extrusion Blow Molding
Extrusion Blow Molding - R&D Molders, Inc.
Extrusion Blow Molding - R&D Molders, Inc.



Extrusion Blow Molding Informational Video