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PET bottle has been extended in the heat bottled drinks black tea, green tea, fruit juice and cooking oil, cosmetics, pharmaceuticals, pesticides and other industries in the application. According to reports, production of PET bottles in 1996 to 3 billion in 1998 rose to 5 billion in 2000 to 8 billion in 2001, 9 billion, in 2002 to reach 10 billion, 13 billion in 2004, becoming the Plastic packaging materials largest increase in varieties.
A process analysis
1.1 What is PET bottles
PET is polyethylene terephthalate glycol (polyethylene terephthalate) acronym, is a food industrial plastic, its performance more stable. PET plastic with light weight, high transparency, impact resistance, not fragmentation and other features, can also be prevented by carbon dioxide and other gases. PET bottle (right) is the PET plastic bottles, widely used in food packaging, such as beverages, food packaging, etc., with safe, easy molding.
Because of light weight, good storability, nature heat, pressure, etc., PET bottles has become one of the main materials, packaging drinking today, can partially replace PVC bottles, bags, aluminum cans, steel cans, glass bottles. Many require high temperature sterilization conditions was able to fill fruit juice beverages, dairy products, sports drinks, also have the use of PET bottles.
PET bottles also have a low environmental pollution and consumption of energy in the increasing emphasis on environmental protection today is gradually replacing traditional packaging material, it has become the most growth potential of the packaging material.
1.2 PET bottle processing requirements and methods can be realized
PET bottles in the production process, raw materials are by melting, injection molding, blow molding, three-step process consisting of production. In order to ensure the smooth progress of these three main components, the need for material pretreatment.
it hardly holds enough water for me and I think it might pop or tear if something more serious were to happen to it. Custom Glass bottles
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