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4-layer thick copper plate

Number of floors: 4
Plate thickness: 1.8mm
Surface treatment: lead-free tin spraying
Material Science: TG150
Minimum aperture: 0.40mm
Aspect ratio: 4.5:1
Copper hole: 25um
Copper thickness: inner layer 2oz, outer layer 2oz
Minimum line width: 10mm
Other instructions: Ion pollution level ≤ 1.0ug Eq NaCl/cm.sq

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