1.1 Blow moulding – Applications

Blow molding isn’t just containers, plastic bottles and packaging. Many other applications have been found for this method of manufacturing as well. Products such as bats, balls, and other children ’s toys are blowmoulded. Applications are being found in medical, building, and automotive industries as well as the consumer market.
Many glass items lend themselves to blowmoulding; metal items like cans will probably convert to plastic along with many paper products. Blowmoulded products are ideal for wherever safe, lightweight, strong, and economical materials are required.

Figure 1: Blowmoulded Products

A blowmoulded product is generally one made using sophisticated machinery and process controls which convert plastic from its virgin form, as pellets, into a hollow article. To understand how this works we will first examine the basic concept of blowmoulding, and then we’ll review the actual process and equipment more in depth