Unverified85% confidenceDecision RuleTime unknown
篷布克重≥180g/㎡的涤纶或210D牛津布才具备可靠的抗撕裂与遮阳性能，130g以下的轻量布多为透光应急款，长期暴晒易脆化开裂
1
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85%
Confidence
Long-term
Relevance
-
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Unverified布料克重方面，牛津布类300D-600D兼顾遮光耐咬与透气，涤纶遮光绒克重约200-300g/㎡遮光率可达90%以上但透气差；家用安抚推荐600D牛津布带透气网84% similarUnverified布料克重是质感关键指标：涤纶遮光布常见220-300g/㎡，300g以上垂坠感与遮光更好；仿麻/棉麻低于180g易透光且褶皱不挺82% similarUnverified涤纶针织背景布克重≥180g/m²才能有效遮挡后方墙面透光和杂物，薄款（<120g/m²）在补光灯下会透底显廉价82% similarUnverified涤纶（聚酯纤维）遮蔽帘克重通常80-150g/㎡，克重越高垂感和遮光越好；100g/㎡以上适合固定遮挡，60g/㎡以下适合轻薄防尘81% similarUnverified标准210D牛津布或150D涤纶为常见天幕面料，D数越高纱线越粗越耐磨但越重；日常遮阳75-150D足够，重装露营选210D以上81% similar
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