The content of diethylene glycol (DEG) in polyethylene terephthalate (PET) chip is a very important quality index and must be strictly controlled in PET production.

• 二甘醇(DEG)在聚对苯二甲酸乙二酯(PET)切片中的含量是PET的重要质量指标,在生产过程中必须严格控制。