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Plastic Blow Molding Manufacturers and Companies

IQS Directory implements a thorough list of plastic blow molding companies and suppliers. Utilize our listing to examine and sort top plastic blow molding companies with previews of ads and detailed descriptions of each product. Any plastic blow molding company can design, engineer, and provide plastic blow molding services to meet your companies specific qualifications. An easy connection to reach plastic blow molding companies through our fast request for quote form is provided on our website. The company information includes website links, company profile, locations, phone, product videos and product information. Customer reviews are available and product specific news articles. This source is right for you whether it's for a manufacturer of blow molding plastics, blow molded stretch, and injection stretch blow molding.

  • Winfield, KS 620-221-9464

    At Western Industries, we make it a goal to think bolder, and think beyond the mold. We have over 140 years of combined experience manufacturing large blow molded products. Our team has the knowledge, the expertise, and access to innovative technologies that allow us to exceed customer expectations. For more information, visit our website. A Western representative will be ready to assist you.

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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

    Iceberg Molding is a fully integrated supplier of blow molded products. We believe in excellent quality, and delivering them on time and on a budget. Our team have experience serving a variety of industries, including construction, healthcare, and retail and commercial office furniture. Our 150,000-sq-ft facility enables us to produce blow molded components of varying complexity. To learn more, contact Iceberg today!

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  • Lebanon, PA 717-277-7404

    Millet Plastics is committed to your needs. Our blow molding machines with continuous extrusion or accumulation head produce technical components and containers up to 25 gal, as well as food packaging in a dedicated clean room. Our capabilities include sleeving, assembling and filling with ISO 9001-2015 and SQF certifications. Our R&D team will assist you in the creation and the industrialization of your tailor-made product, fitting your specific requirements.

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  • Riverside, CA 951-354-0258

    Founded in 1984, Hi-Rel Plastics & Molding, Inc. offers custom blow molding and custom plastic injection molding for a variety of industries. Our facility enables us to serve every facet of the molding process from part evaluation, 3D Printing, prototyping, tool design, tool making, sampling and production of quality finished plastic and metal parts. Our engineers have the expertise to develop the perfect solution. Our company is ISO 9001:2015, AS 9100 Rev D, 13485:2016 Certified.

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  • Coloma, MI 269-849-3200

    SPI Blow Molding offers effective plastic blow molding solutions for customers across a multitude of industries. Our state-of-the-art facility and over 60 years of experience allow for a broad material selection, product sustainability, and customer service that is tailor made for your application. Whether you are in need of structural panels, automotive bumpers, or a plastic container, our team at SPI will make sure you get the quality product you need.

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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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  • More Plastic Blow Molding Companies

businessIndustry Information

Plastic Blow Molding

Plastic blow molding is a manufacturing process used to create a vast array of hollow plastic parts and products. Blow molding gets its name from its use of a form of plastic called a parison. The parison is actually plastic that has been melted down and preformed into a tube-like shape with a hole at one end. Through this hole, after it is clamped to a mold, compressed air (conveyed by a blow pin) is blown in to expand it. When expanding, the parison behaves like a balloon, expanding uniformly with the assistance of a constant and controlled air flow. This behavior leads to walls and structures that, once set, are thin, strong and durable. Blow-molded pieces additionally tend to be smooth, airtight; they do not require joining. Examples of items created by blow molders include toys, beverage bottles, hose, buckets, storage and transportation cases, garbage and recycling cans and countless other luxury and everyday use products of industries across the board.

The plastic blow molding is completed when the created cavity is cooled and removed from mold as a hardened plastic product. This point may be reached using three different processes: extrusion blow molding (EBM), injection blow molding (IBM) and injection stretch blow molding. The process described in the paragraph above details one of these, extrusion blow molding. As perhaps the most common style of plastic blow molding, its description is often used interchangeably with it. It has a distinguishing feature, however, which is that it uses a metal mold. EBM is divided into two categories: continuous and intermittent. Some of the products created through either type of EBM include watering cans, plastic drums, shampoo bottles and milk bottles. Also, a major advantage of this process is its ability to create handleware. Next, injection blow molding is a process that incorporates elements of standard injection molding in order to produce parts and products in large quantities. IBM involves three steps: injection, blowing and ejection. The process begins when a molten polymer is fed into a hot runner manifold and injected via nozzles into a heated cavity and onto a core pin. The polymer surrounding the pin takes on the shape of the cavity, forming an exterior, while the core pin ensures that it remains hollow. This pin then rotates its way to a blow molding station, where the mold is clamped around a core rod, inflated inside a preform and cooled. Once hardened, the finished product is moved into the ejection position and stripped off the core rod. IBM is the least frequently used plastic blow molding process. Generally, it is only used to create small capacity bottles and jars. Finally, injection stretch blow molding, or stretch blow molding, is a process much like IBM. The main difference between the two is that stretch molding involves the use of bottle-shaped preforms, which are later reheated then stretched into their intended shape and size using pressurized air and core rods. Stretch blow molding is known for producing very high volumes of oval, rectangular or cylindrical bottles.

No matter which technique a manufacturer uses, plastic blow molding is a highly advantageous process for a number of reasons. First, it offers high-volume productivity at fairly low costs. Second, it yields high turnaround times. Typically, the process can be completed in a matter of seconds, and the resulting products require minimal secondary processing. Also, the use of plastic itself, as opposed other materials, affords manufacturers an incredible amount of versatility; plastic is durable and has a uniform, consistent structure down to a molecular level, yet it is very malleable. To find out more about plastic blow molding, contact a knowledgeable manufacturer today.

More Plastic Blow Molding Information

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Plastic Blow Molding – Custom-Pak, Inc.
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Plastic Blow Molding Informational Video