How To Better Identify The Quality Of PET Plastic Bottles?

Do you know how to better identify the quality of PET plastic bottles? PET plastic bottles can be identified from four aspects.   Mainly look at four points: the appearance of the bottle mouth, cleanliness, bottle body forming, and bottle bottom details. 1. There is no depression at the bottom of the bottle, nor is it protruding, there is no cracking at the bottom of the bottle, and there is no layering. 2. The appearance of the bottle mouth of the PET plastic bottle is relatively neat, the end face of the bottle mouth is very flat, the thread is relatively complete, there is no damage gap, and there is no drawing. 3. The bottle body is very well formed, the transparency is also very high, there are no black spots, abrasions, atomization, white, hardening, and the color bottle should be more uniform in color, without obvious color difference. 4. The whole plastic bottle will not be deformed, and there is no oil stain inside.