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The scrap circuit boards usually contain 30% plastic, 30% inert oxide and 40% metal. The main direction of recycling the scrap circuit board is metal recovery. The metal contains about 20% copper, 8% iron, 2% nickel, 4% tin, 2% zinc, and precious metals such as about 0.1% gold, 0.2% silver, 0.005% palladium. The recycling price of the scrap circuit boards varies according to the structure, general
The scrap circuit boards usually contain 30% plastic, 30% inert oxide and 40% metal. The main direct
