Unverified90% confidenceDecision RuleTime unknown
选购热缩标签套需按'膨胀内径'而非线径匹配，建议选择膨胀内径为待套线缆外径1.5-2倍的规格，收缩后能紧贴表面且不脱落
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Long-term
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Unverified选购热缩管时内径应为待包裹线缆直径的1.2-2倍，收缩后能收紧到线缆的即可；收缩比常见2:1，若接头处有明显膨大（如焊点、连接器）应选3:1或4:1的高收缩比款81% similarUnverified缠绕电线接头选厚度0.13-0.19mm的胶带更耐用绝缘性更好，太薄（<0.1mm）易破损，追求拉伸贴合性可选薄款配合多层缠绕78% similarUnverified选购时注意区分宽幅：窄款（1-2cm）适合线材归拢，宽款（3-5cm）适合管材或物品临时捆绑，宽度直接影响承载面和稳定性76% similarUnverified防水拉链贴需匹配拉链齿宽：5号拉链选15-20mm贴条，8号/10号拉链选25-30mm贴条，贴条宽度应比拉链闭合后的总齿宽多出6-8mm用于两侧粘合76% similarUnverified选套管标称直径应取线束外径的0.7-0.9倍，因编织网有约1.5-2倍扩张比例，选太大则包裹松垮露缝、选太小则无法完全闭合75% similar
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