Unverified85% confidenceDecision RuleTime unknown
磁贴用于承载纸张时，钕磁铁（N35以上）单颗吸力需≥0.5kg才能在冰箱门稳定固定3-4张A4纸，普通铁氧体磁铁仅能吸住1张便签
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85%
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Long-term
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Unverified冰箱贴磁片直径≥15mm或采用钕铁硼强磁时，可稳固吸附单张A4纸；普通铁氧体软磁只能吸单张便签，吸不住照片纸+清单的叠加重量90% similarUnverified钕磁铁(N42以上)磁吸板单点吸力可达1-2kg，普通铁氧体磁吸板单点仅0.2-0.5kg，需悬挂厨房重刀具或工具时应选钕磁配置83% similarUnverified承重需求≥2kg（放整排调料瓶）优选钕磁铁+多点吸附设计（≥4块磁铁），单块磁铁或普通铁氧体磁铁只适合放纸巾、抹布等轻物83% similarUnverified承重需求≥500g（如放螺丝刀、钥匙串）时，磁吸盒应采用N42以上钕磁铁或多颗磁铁阵列，单颗普通铁氧体磁铁承重通常＜200g会滑落80% similarUnverified磁吸款需确认背贴磁力≥标称承重的1.5倍，且贴附面必须为铁质/带铁片；冰箱侧面、油烟机为可行面，瓷砖墙面磁吸会脱落80% similar
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