Unverified85% confidenceFactTime unknown
18K金比纯金(24K/足金)更适合做耳饰镶嵌款,硬度高不易变形卡宝石,但含25%其他金属,敏感肌仍可能对合金部分反应
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85%
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Long-term
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Unverified18K金(含金量75%)相比24K纯金硬度更高、不易变形,细链日常佩戴抗弯折能力优于纯金,但仍需避免大力拉扯。82% similarUnverified材质纯度越高越保值抗过敏但硬度越低易刮花变形:24K足金软易变形不适合镶嵌,18K金硬度适中适合日常,铂金Pt950最抗过敏但价格高。金越纯越怕磕碰的矛盾需按佩戴场景取舍78% similarUnverifiedK金标注含义:24K=纯金较软不适合日常,18K(Au750/含金75%)硬度与保值平衡最适合项链,14K(Au585)更硬更耐磨常见于欧美快时尚76% similarUnverified镀金层越厚越耐久但价格越高,日常款2微米镀金足够,20微米以上厚金属高端定制款76% similarUnverified18K金(Au750)硬度高于足金(Au999),适合镶嵌宝石和做细链条不易变形;足金软易划痕但保值性强,编织类和活动关节手链优先选18K金76% similar
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