Pet Bottle Mould On The Production Line

Manufacturers of plastics produce a wide variety of bottles, including water bottles, soda bottles and food containers, such as mustard or ketchup containers, and 5-gallon Pet Preform. Polyethylene terephthalate (PET) is the first choice for the production of any bottle that comes into contact with food or drinking water. The bottles produced from this material are lightweight but durable. Although the manufacturer may slightly change the process according to the patented method, the basic method of producing the bottle is universal.

PET is a plastic resin derived from petroleum hydrocarbons. Manufacturers make long chains of plastic molecules through a process called polymerization, which is then mixed with several compounds. They cut the resin into small pieces and sent it to the bottle manufacturer. The bottle factory mixes the PET resin pellets with “re-grinding” plastic that has been reduced to flakes. Plastics lose some of their physical properties when heated repeatedly, so manufacturers must limit the amount of regrind they use, usually limiting the amount of this ingredient to 10% of the total mixture. Dyes are introduced into the mixture unless a transparent Pet Bottle Mould is produced.


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