Blow Molding/

Plastic Bottles

Plastic bottles are plastic containers that are typically characterized by thin construction and small size compared to other plastic products. While many industrial plastic products boast strength, durability of construction and general sturdiness, many varieties of plastic bottles are designed to be as light-weight and low-cost as possible, especially in the context of beverage packaging.

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R & D Molders, Inc.
Georgetown, TX
512-763-3600
R & D Molders, the leader in blow molding, has provided custom blow molding & injection molding to a variety of industries since 1974. We offer blow molded containers, blow molded parts, blow molded bottles, cases, & in-house tooling, mold making & secondary operations such as assembly, machining, hot stamping & sonic welding. Let us be a one stop turn-key source for your molding requirements.
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Custom-Pak, Inc.
Clinton, IA
563-242-1801
Some molding companies have difficulty molding the parts required by customers. At Custom-Pak, we have the capabilities to meet your needs on time, at the lowest price and with consistently great quality. About 600 blow-molding personnel have the training and the tools to produce plastic bottles to your exact specifications. Visit our website where you can view a list of our capabilities.
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Alpack Plastics
Natick, MA
508-653-9131
With over 700 stock sizes of plastic containers, Alpack Plastics can meet your packaging component specification needs. Having the largest line of plastic containers in the nation, we have everything from hinged boxes, cylinders and plastic boxes (set up or folding), to clamshells, carrying cases, plastic storage containers, plastic buckets, jars, foam, vials, display cubes and PVC sleeves.
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Cado Company
Fitchburg, MA
978-343-2989
For over 50 years, Cado has been a full service blow molding company for the plastics industry. We are a custom designer and manufacturer of molds, blow molded cases, plastic bottles, as well as blow and injection molded parts. We provide solutions for short term plastic blow molding runs as well as high volume production in either commodity or engineering grade resins. Consult, design, produce.
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Schoeneck Containers
New Berlin, WI
262-786-9360
Founded in 1972, Schoeneck Containers has established itself as a leading manufacturer of high-quality plastic containers. We serve a wide variety of industries including food, beverage, personal care products, and much more. For more information please call or visit our website.
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BASCO, Inc.
University Park, IL
800-776-3786
Welcome to BASCO, the industry leader in industrial packaging and container products for over 60 years. We pride ourselves in our extensive product knowledge and customer service; our sales representatives will go above and beyond to be sure that you receive the perfect product to resolve your container, packaging and handling equipment needs the first time, every time.
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Blow Molded Products
Riverside, CA
951-360-6055
Located in state-of-the-art facilities in Riverside, CA, Blow Molded Products has established a national reputation for high quality, dependable production of plastic bottles. Our team of engineers will design around your components. This design latitude ensures that we meet your exacting specifications, while providing existing & unique styling & performance. Our customers are important to us.
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View A Video on Plastic Bottles - A Quick Introduction

Plastic Bottles


Some of the most common products made from the process of blow molding are plastic bottles. Because of the versatility of blow molding, plastic bottles can be formed into many different shapes and sizes from many different plastic materials. Plastic bottles can be formed from polypropylene, polyethylene and polyethylene terephthalate (PET) and are used for innumerable purposes.Consumer markets' insatiable demand for bottled beverages ensures the health of the plastic bottle production industry for the foreseeable future. Plastic is an inexpensive alternative to metal, and it looks like an even better solution when compared to glass. However, because many plastic products are hydrocarbons, they pose a greater threat to the environment if they are not recycled (many plastic bottles are recyclable). In recent years, plastic manufacturers have sought ways to produce biodegradable plastic products, and some of them have already reached consumer markets on a substantial scale.

All blow molded plastics are made in the same way. The process begins with thermoplastic resin, which is a collection of small, plastic fibers or pellets. This raw material is called stock. Stock is loaded into a hopper, and from there it is directed into a conveyance channel. Within the channel is a large screw that pushes the stock toward the mold as it turns. As the stock progresses through the channel, it passes heat elements which, combined with the pressure created by the turning screw, causes the stock to become liquefied. At that point, it is forced into the mold cavity where it takes the shape of the intended final product. Compressed air is then forced into the mold cavity which causes the inside of the newly-molded plastic product to become hollow. The compressed air pushes the plastic material against the form of the mold until it takes the mold's shape. One the molding process is complete, the product is allowed to cool and harden and is extracted from the mold. The product can then be cleared of any imperfections (if they are present) and shipped or sent for additional processing. In many cases, the raw stock used to form new plastic products can come from recycled products that have been reprocessed.