Unverified78% confidenceDecision RuleTime unknown
板面砂纸粗细影响防滑：初学者选中等偏粗砂纸（80目左右）增加摩擦防滑倒，过细砂纸雨天或出汗易打滑
1
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78%
Confidence
Long-term
Relevance
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Unverified海绵砂纸（砂布块）耐用可反复水洗但贴合平面效果差，纸基砂纸切割灵活能包裹曲面但一次性消耗快，曲面/雕花件优先海绵砂80% similarUnverified表面摩擦系数越高越防滑（小螺丝不易滚动），但越难擦拭助焊剂残留；哑光磨砂面防滑好但吸油污，光滑面易清洁但小零件易滑走，焊接场景优先磨砂76% similarUnverified表面做过防粘涂层或磨砂处理的铲头，膨润土砂遇潮不易糊在铲面，比光面塑料铲更易清洁不残留；带自站立底座或挂孔便于沥干防霉76% similarUnverified防滑与防绊倒是权衡关系：表面磨砂纹路越深防滑越好但越易积灰藏污，有幼儿家庭建议选浅纹磨砂+可湿擦表面，兼顾防滑与清洁卫生76% similarUnverified填充物类型影响流沙均匀度：优质石英砂或金属粉流动顺畅不易卡颈，劣质彩色塑料珠或普通细沙受潮后易结块导致中途卡停，购买时可查看是否标注石英砂填充76% similar
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