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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!

    Western Industries Plastic Products LLC
  • 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!

    Blow Molded Products
  • 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.

    Iceberg Molding
  • Willowbrook, IL 630-750-9494

    At LHB Plastics, we don’t just do blow molding. We make it our goal to personalize our projectsto ensure client success. LHB Plastics offers a full range of services, from molded parts to complete assembly. Additional services include engineering support, finished part testing, in-house 3D rapid prototype part printing, and more. Our company is ISO 9001/14001 – 2015 Certified / TS 16949 Compliant. Call LHB or visit our website today to learn more!

    LHB Plastics
  • 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.

    Hi-Rel Plastics & Molding
  • Coloma, MI 269-849-3200

    Since 1952, SPI Blow Molding has provided custom blow molding for a diverse range of industries, such as agricultural, plumbing, electronics, and more. Our team can meet your needs with a variety of plastics, such as HDPE, ABS, polycarbonate, and TPE. Secondary operations and assembly services are also available. SPI is a leader in our industry due to our customer-oriented ability to deliver successful production solutions and unmatched product quality.

    SPI Blow Molding LLC
  • Rogers, MN 763-428-8310

    Our blow molded plastics are engineered to meet the needs of your exact application. The reliable staff here at Metro Mold & Design, Inc. will work with you to determine the best specifications down to the part weight and wall thickness. You will not be upset with the quality of our blow molded plastics. We aim to exceed your expectations. Give our experts a call today to learn more information!

    Metro Mold & Design, Inc.
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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.