Unverified85% confidenceTradeoffTime unknown
PC材质透明度高且抗冲击性优于PVC，但长期日晒后容易发黄变雾，若无抗UV涂层处理，一到两个冬季后透明度会明显下降
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85%
Confidence
Long-term
Relevance
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UnverifiedPC聚碳酸酯材质抗冲击性强不易碎裂，但长期日晒后容易发黄变雾影响透明度，需关注是否有UV涂层处理87% similarUnverifiedPC材质导风板长期日晒后透明度会下降发黄，户外长期不拆卸使用需预期其为消耗件86% similarUnverified长期暴露在阳光下的产品应认准抗UV涂层或标注UV-resistant，普通PVC在紫外线下3-4个季度就会发脆、褪色开裂；深色款比透明/浅色款更易吸热老化83% similarUnverified透明盖板方便观察内部状态但耐候性和抗UV能力弱于不透明盖，长期户外日晒会发黄变脆；不需观察则选不透明PC盖更耐用83% similarUnverifiedPC灯罩长期户外暴晒后会出现发黄老化，影响火焰仿真通透感，一般2-3年后效果明显下降，选购时可关注是否为抗UV处理的PC材质82% similar
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