PET plastic bottle preforms:--a wonderful journey from raw materials to life

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 PET Plastic Bottle Preforms

Plastic bottles have become a part of everyday life,from mineral water and beverages,shampoo,cosmetics and more - from mineral water to cosmetics - and it has made our lives much simpler. Yet behind each plastic bottle there lies an unsung hero:PET plastic bottle preforms. Let us uncover this mysterious process today by taking a peek behind their scenes,seeing how raw material becomes plastic bottles we use every day.

1. What are PET plastic bottle preforms?

PET,the full name of polyethylene terephthalate,is a transparent thermoplastic. And PET plastic bottle preforms are the intermediate products for making plastic bottles. It is like an unfinished plastic bottle,which can be transformed into the shape and size we are familiar with after subsequent processing.

2. Characteristics of PET plastic bottle blanks

•High Transparency:PET plastic bottle blanks feature excellent transparency,making the contents of each bottle easily visible for consumers to intuitively determine its quality and status when purchasing products from PET. This helps customers quickly ascertain a product's quality before buying.

•Good weather resistance: PET material has good weather resistance, and it will not easily change color or age even if used outdoors for a long time. Therefore, plastic bottles made of PET plastic bottle blanks can maintain a stable appearance and performance in various environments.

•Strong Impact Resistance: PET plastic bottle blanks have an outstanding impact resistance, being not easily broken by external forces when subjected to external force impact. This makes plastic bottles safer and more reliable during transportation and usage.

•Recyclable: PET material is fully recyclable and after recycling can be transformed back into new PET plastic bottle blanks or other plastic products, helping reduce plastic waste impact on the environment while simultaneously supporting sustainable development goals.

Unveiling the heroes behind food packaging: Uncovering the fascinating journey of PET, PP and PS plastics

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 Three Common Types of Food-Grade Plastics

Plastics have become an indispensable material in modern food packaging due to their lightness,durability and ease of processing. PET,PP and PS are three popular food-grade plastics and we will explore their characteristics,advantages and disadvantages in more depth below.

1. PET (Polyethylene Terephthalate)

PET plastic boasts exceptional transparency,heat resistance and impact resistance - it even rivals glass transparency!As its transparency makes it ideal for food packaging with high transparency requirements such as mineral water bottles or carbonated beverage bottles. Furthermore,its excellent heat resistance enables it to remain stable at high temperatures,making PET ideal for microwave heating boxes.

Advantages：1.High transparency,close to glass 2.Good heat resistance,can be used at high temperatures3.Strong impact resistance,not easy to break

Disadvantages：1.Relatively high cost 2.Sensitive to certain chemicals,such as grease,alcohol,etc

2. Polypropylene Plastic (PP Plastic)

PP plastic is an extremely versatile thermoplastic synthetic resin material with excellent chemical and heat resistance properties as well as electrical insulation properties,high strength mechanical properties and wear resistance processing performance. Boiling water sterilized it makes this plastic perfect for food packaging that requires high temperature sterilization such as lunch boxes.

Advantages：1.Good heat resistance,can be used at high temperature 2.Good chemical resistance,can resist corrosion from a variety of acids,alkalis,salts and other chemicals 3.Lightweight,easy to process and transport

Disadvantages：1.Relatively low transparency2.Sensitive to ultraviolet rays and easy to age

3. PS (polystyrene)

PS plastic is a colorless and transparent thermoplastic with a high glass transition temperature and good impact resistance. It is often used to make disposable containers that need to withstand high temperatures,such as disposable foam lunch boxes,fresh-keeping boxes,etc.

Advantages：1.High transparency and beautiful appearance 2.Good heat resistance and can withstand high temperatures 3.Hard texture and strong impact resistance.

Disadvantages：1.Sensitive to organic solvents such as grease and alcohol2.Not resistant to chemicals such as acids and alkalis