Unverified85% confidenceDecision RuleTime unknown
磁力片类玩具应通过抗拉力测试：焊接密封的外壳需能承受≥15磅（约6.8kg）拉力不开裂，防止内部磁铁脱出被误吞
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Unverified磁力片类玩具磁性强弱以高斯值衡量，正规产品单片磁铁封装于ABS内且拉力测试可承受幼儿掰扯不脱落，散装无封装磁片属高风险产品83% similarUnverified磁吸刀架的磁力强度需匹配刀具重量：单块钕磁铁的吸附力应≥3kg拉力，中式菜刀（重0.4-0.8kg）建议选磁条长度≥30cm、内嵌多颗磁铁的款式，避免单点吸附导致重刀滑落81% similarUnverified磁吸刀架的磁力条需选用N38以上钕磁铁并覆盖不锈钢面板，吸附中式菜刀（重量≥300g）时才不会滑落；普通铁氧体磁条只适合吸附水果刀等轻型刀具80% similarUnverified磁力片选购看磁力强度和拼接稳定性：单片磁铁数量≥8颗、采用铆钉封边工艺的产品更耐摔且磁片不易脱落，避免超声波焊接的低价款（易开裂露出磁铁有误吞风险）80% similarUnverified磁吸刀条的磁力强度决定安全性，单点吸附力建议≥3kg，整条采用连续内嵌磁条（非分段磁点）能减少刀具滑落误挂风险，孩子拉拽时不易整片脱刀80% similar
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