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12OZ Heavy copper PCB

12OZ Heavy copper PCB is a layer of copper foil bonded on the glass epoxy substrate of printed circuit board. When the copper thickness is ≥ 2oz, it is defined as Heavy copper PCB. Performance of Heavy copper PCB: 12OZ Heavy copper PCB has the best elongation performance, which is not limited by processing temperature. Oxygen blowing can be used at high melting point, and brittle at low temperature. It is also fireproof and belongs to non combustible material. Even in highly corrosive atmospheric environment, copper board will form a strong, non-toxic passivation protection layer.