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The difference between PET and PBT plastic bottles

2021-03-16 13:10:08

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The molecular structure of PET plastic is highly symmetrical, and it has a certain crystallization orientation ability, so it has a high film-forming property. PET has good optical properties and weather resistance, amorphous PET has good optical transparency. In addition, PET has excellent wear resistance, friction resistance, dimensional stability and electrical insulation. PET bottles have been widely used because of their high strength, good transparency, non-toxicity, anti-penetration, light weight and high production efficiency.

In the plastic classification, PET code is No. 1, widely used: can be spun into polyester fiber, that is, polyester, general food packaging PET bottle secondary recycling can be used for this purpose, so PET plastic bottle has good environmental protection; Can be made into film for sound recording, video recording, film substrate, insulating film, product packaging, etc. As a plastic can be blown into a variety of bottles, such as coke bottles, mineral water bottles, etc.

PBT and PET have similar molecular chains and most of their properties are the same. PBT has lower strength and stiffness, but better impact resistance, and lower glass transition temperature. Both PET and PBT are sensitive to hot water above 60 °C. Suitable for food processing blades, vacuum cleaner components, electric fans, hair dryer shells, coffee utensils, electrical components switches, motor cases, fuse boxes, computer keyboard keys, industrial radiator grates, body panels, wheel covers, doors and Windows components.


Author: Taizhou Sennuo Plastics Co., Ltd
The difference between PET and PBT plastic bottles
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Email:183440968@qq.com     Address:Xuanmen Industrial City, Lupu Town, Yuhuan City, Taizhou City, Zhejiang Province, China     Technical support:JiuQian Technology     浙ICP备12345678号-1

Mr Pan      sales01@sen-nuo.com        Mobile:0086-13516761081       Email: 183440968@qq.com 

Company Address: Xuanmen Industrial City, Lupu Town, Yuhuan City, Taizhou City, Zhejiang Province       Powered by www.tzjq.com.cn

 

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