[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

黑胶涂层遮光率虽高但会随开合摩擦老化脱落,通常寿命2-3年;追求耐久选L.R.C涂层或原纱防晒(防晒纤维织入伞面)伞面,防晒性能不随涂层磨损衰减

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85%
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Long-term
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