Unverified82% confidenceTradeoffTime unknown
去污力强弱与密度呈正相关：高密度去污力强但对表面研磨也更狠；面对娇嫩表面应主动选低密度款并减小力度，靠次数弥补
1
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82%
Confidence
Long-term
Relevance
-
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Unverified密度越高越耐用、擦除力越强，但同时对表面的磨损风险也越大；娇贵表面反而要选低密度软款以牺牲耐用度换取安全88% similarUnverified去污块密度越高（越硬实、单位体积重）越耐用、越不易掉渣碎裂，选购时优选压缩密度高、手感硬挺的产品；蓬松柔软的低密度块用两三下就磨没了85% similarUnverified密度越高越耐用去污强，但对表面的摩擦损伤也越大；低密度款温和但一擦就碎消耗快。清洁厨房重油污/瓷砖缝选高密度，日常轻擦选中低密度更保护表面83% similarUnverified海绵密度与去污/耐用成正比：低密度泡棉手感松软但一挤就变形、易撕裂，寿命短；选择时可捏压测试，回弹快、无明显永久凹陷的高密度款更耐用78% similarUnverified面料越厚实（克重高）遮盖性和塑形越好，但下水后更重、快干性变差；追求快干轻薄则透视风险增加，浅色薄款需确认有内衬78% similar
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