Unverified75% confidenceCautionTime unknown
阳极氧化上色的钛筷（彩虹色/蓝紫色）颜色为氧化膜非涂层，长期使用会因摩擦褪色，介意外观一致性者选原色钛
1
Sources
75%
Confidence
Long-term
Relevance
-
First Seen
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Unverified钛的着色靠阳极氧化产生（蓝/紫/彩虹色），这类颜色不含涂料、不掉色也不影响食品安全；而不锈钢的彩色多为PVD镀层或喷涂，长期磨损或刀叉刮蹭后可能脱落85% similarUnverified彩色涂层刀（非本体染色）长期使用涂层会磨损脱落，脱落碎屑可能混入食物。选购时优先选『刀柄分色+刀身激光标识色环』而非『整刀身喷涂着色』的款式80% similarUnverified保色性看染色工艺：靛蓝色浆染(rope dyed)会自然褪色形成色落，追求耐脏耐看应选硫化染或成衣染的深卡其/军绿/黑色，深色比水洗色更耐污掩盖油渍79% similarUnverified颜色百搭性上，藏蓝/墨绿/焦糖/大地色比纯黑更耐脏耐皱且显气色，纯黑针织面料出汗后易显盐渍和褪色泛白，长途出行慎选78% similarUnverified颜色耐洗性看染色工艺：藏青、深灰等深色系反复水洗后仍可能掉色染白，首次单独冷水加盐或白醋固色可减轻；浅色校服（白、浅蓝）建议多备一件应对领口袖口发黄78% similar
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