Laser cleaning of the black crust on the surface of a marble sculpture successfully removed the contamination layer (approximately 0.5mm thick), preserving the original carving details with a cleaning efficiency of 95%.
Application of laser equipment in cultural relics restoration
Laser technology provides micron-level accuracy (±0.01mm), a small heat-affected zone (<0.1mm), and supports selective removal of contaminants, protecting the original material.
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