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热销PETG冰杯仍需进口?哪些化工企业在生产?

Aug 15, 2024
00:22

目前中国用作冰杯的塑料杯,一定程度上还需要进口。在美团和盒马等平台,食用冰冰杯的保质期一般在12个月左右,但有业内人士表示,由于中国缺乏相关杯材的供给,能满足“冷冻12个月”要求的杯子现在仍然需要进口。


一般来说,常见的杯子采用PET材质,这种塑料在低温环境下会变脆(即所谓脆性温度),而冰杯需要使用能够在低温下保持稳定性、透明度高、韧性好的材料,同时保持美观。


目前,高质量的冰杯原材料在中国的生产能力还不够成熟,或者市场供应不足,导致需要依赖进口来保证产品的质量和供应。


据了解,用于制作冰杯的塑料材质之一是PCTG/PETG塑料,也称为水晶塑料,这种材料能够在零下40℃到80℃之间保持稳定,具有良好的耐高低温性能、高强度和透明度,适合用作需要冷冻的冰杯。


由于PCTG/PETG塑料的生产技术被少数国外公司垄断,导致中国市场上的高质量材料大多数需要进口,但是,目前中国也有部分企业成功投产PETG生产线。

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