July 21, 2026

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Laser Marking Application Case: Black Marking on Aluminum

Laser Marking Application Case: Black Marking on Aluminum Equipment Configuration: Chuangxin MFP-50W Fiber Laser Black marking on aluminum is a “conditional” application—bare aluminum cannot naturally produce pure black marks, because aluminum has high reflectivity and its oxide layer formation mechanism differs from stainless steel. The aluminum material that truly can achieve black marking is anodized …

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