Unverified80% confidenceDecision RuleTime unknown
油杯密封性靠杯口的硅胶圈或卡扣压紧，选带独立硅胶密封圈的款式，纯塑料硬卡扣长期热胀冷缩后易松脱导致漏油
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified旋盖密封设计放包里基本不漏水，但由于杯身为软质硅胶，受挤压时密封可靠性不如硬质杯，建议竖直放置87% similarUnverified刀座与杯体连接处的硅胶密封圈是漏液主因，选购时确认密封圈可拆卸清洗，湿磨含油物料（花生酱/芝麻）后若不拆洗密封圈易发霉变硬失去密封性87% similarUnverified食品级泵瓶常见密封材质为硅胶密封圈（耐温-40℃~200℃、耐油），劣质款用PVC密封圈遇油易溶胀变形导致漏液86% similarUnverified密封防漏优先选带硅胶密封圈+旋盖锁扣的双层结构杯身，单纯敞口杯注水后倒置必漏；材质认准食品级PP或PC（标注BPA-free），避免劣质塑料在温水浸泡下释放异味84% similarUnverified四扣+硅胶圈密封结构可实现装汤水倒置不漏，单扣或无硅胶圈的只能防干货散味，装液体必漏84% similar
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