How are plastic bottles made?

Plastic goes through a manufacturing process to end up as bottles for liquid substances such as milk, soda, motor oil and shampoo, and for dry products such as medications and nutritional supplements. Plastic bottles have become an everyday occurrence, but have you ever wondered how are plastic bottles made?

Production of preformed bottles

Firstly, plastic particles are made into preformed bottles using an injection molding machine. After the plastic particles are softened by high temperature, the corresponding preformed bottles are made by preforming molds under high pressure.

The forming of the bottle

Secondly, preformed bottles are made into plastic bottles using an stretch blowing mold machine. After the preformed bottles are softened by high temperature, the corresponding plastic bottles are made by molds under high pressure.