Blow moulding was developed in the 1930s, but it really took off in the late 1970s when the process was adopted by the soft drinks industry, when they started switching from glass bottles to plastic. By the end of the 20th century over 10 billion plastic bottles were being produced every year by the blow moulding method.
How Does Blow Moulding Work?
The process works by feeding a closed tube of molten plastic called a parison into a mould and then injecting air into the open end of the tube. The injected air causes the parison to expand and form the shape of the mould. Once the plastic has cooled, the mould can be removed and you have your hollow plastic product.
What Is Blow Moulding Used For?
You can see how useful this process would be when it comes to the mass production of plastic bottles, ducts, flasks, tanks and containers of all kinds. Even some kinds of toys and sporting goods are suitable for this kind of manufacture.
What Are the Benefits of Blow Moulding?
Blow moulding is one of the most cost effective ways to produce your product. It is also a quick way to produce a high volume. If you need a lot of stock in a short amount of time and blow moulding was a suitable way to produce that stock, we would recommend it over injection moulding.
Do you have a product idea which you think could be manufactured by blow moulding? We specialise in the production of plastic products and we can handle everything, from small initial runs for start-up companies to huge bulk orders for international companies. If you are unsure whether blow moulding or injection moulding is the right choice for your product, talk to one of our experts. We have 35 years of experience in the field of plastics manufacture. Call us on +44 1692 501020.