Unverified82% confidenceDecision RuleTime unknown
缝隙清洁刷选V型或锥形刷头且刷毛需外凸12mm以上，普通平头刷无法深入瓷砖美缝或窗轨凹槽
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82%
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Long-term
Relevance
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Unverified瓷砖缝隙与美缝清洁需要硬毛细刷（毛径0.15-0.2mm的尼龙硬毛），常规海绵和软毛刷无法清除缝隙霉斑，套装中应含至少一把细缝刷85% similarUnverified缝隙刷刷毛直径≤0.3mm且带斜角设计才能清洁窗轨、瓷砖缝等2mm以内窄缝，直毛刷进不去只能擦表面85% similarUnverified戴固定托槽（金属/陶瓷矫正器）应选择V型槽正畸专用刷头，中间凹槽刚好卡住托槽，两侧长毛清洁托槽周围，比普通平头刷去菌斑效率高约30%81% similarUnverified瓷砖缝隙、防滑砖表面清洁应选PP硬毛（硬度中偏硬），刷毛直径0.2mm以上才能有效抠出缝隙污渍，软毛只能扫浮尘80% similarUnverified缝隙/瓷砖填缝美缝清洁选TPR硬毛（邵氏硬度≥90A）的细头刷，毛长≤15mm才能钻入2-3mm宽的填缝线，软毛完全无效80% similar
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