Unverified85% confidenceDecision RuleTime unknown
PVC热缩管耐温约80-105℃且遇明火易释放氯化氢气体，聚烯烃(PE)热缩管耐温可达125℃且阻燃环保无卤，涉及电子、锂电池、发热部件优先选聚烯烃材质
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85%
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Unverified高温环境或发热元件旁不要选PVC热缩管，其耐温上限低易软化脱落且高温分解有害气体，应选聚烯烃或耐温更高的含氟(PTFE/PVDF)热缩管83% similarUnverified材质需认准食品级PP并耐高温≥120℃，若标注可煮沸/蒸汽消毒需耐温≥100℃，避免使用普通ABS或PVC材质（PVC遇热可能释放增塑剂）83% similarUnverifiedPVC胶带长期耐温上限约80℃，需承受发热部位（如灯具、变压器附近）应选用耐温180℃以上的高温胶带（如聚酰亚胺胶带或玻璃布胶带）82% similarUnverified标准聚烯烃热缩管收缩起始温度约70℃，完全收缩约110~120℃，热风枪温度设定应在此区间避免过热碳化82% similar
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