Princeton Case Company
615 Sherwood Parkway
Mountainside, NJ 07092
service@princetoncase.com
(908) 687-1750

What You Need to Know About Blow MoldingĀ 

Custom foam inserts, plastic carrying cases with foam

In the United States, the third-largest manufacturing industry is plastics. Many of these plastics are shaped using blow molding. From blow molded cases to coolers to a soda bottle, examples of blow molding can be found everywhere. 

The origins of blow molding can be traced back to the 1800s and glass blowing. However, this method was not designed for mass production. It wasn’t until the 1930s and the development of commercial machines that we could manufacture blow molded items in large quantities. The invention of low- and high-density polyethylene allowed blow molding to gain prevalence. 

To create a blow-molded product, you heat a plastic tube to its melting point and place it into the cavity of a mold. With compressed air, the plastic takes the shape of the mold while being hollow inside. 

Blow molding has many uses and is utilized in many different applications. Below are just a few of the many things created using blow molding: 

Blow molding is also a popular technique used in the automotive industry. Blow molding allows automakers to mass-produce auto parts effectively and at a low cost. From fenders to consoles to seating, so many aspects of an automobile are created using blow molding. 

The process of blow molding is an excellent choice for anyone creating one single piece. The process eliminates the need to assemble or connect halves. Blow molding also reduces flash, which is plastic that bleeds around the seams of products.

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Princeton Case Company, Inc.

615 Sherwood Parkway
Mountainside, NJ 07092
(908) 687-1750