1 / 3Oxidized or heat‑discolored cable copper, no longer bright but free of contaminants. Because of oxidation the recovery rate is lower and the purchase price is lower than bright cable copper grade A.
It is oxidized or discolored copper wire, no longer bright, but not contaminated. Because of oxidation the recovery rate is lower and the purchase price is lower than bright copper wire grade A. - Usually still has connectors or impurities, requiring inspection and removal, which adds processing work. - For burned copper, watch for adhered ash and difficulty distinguishing soldered or tin‑plated sections. - Copper that is excessively burned or has green rust is classified as grade 2 copper. - Copper still with connectors can be classified as old red copper, good quality.
| Scrap group | Copper |
|---|---|
| Loại Phế Liệu | Là đồng cáp loại bị oxy hóa hoặc đổi màu do nhiệt, không còn sáng bóng, nhưng không được bám tạp chất |
| Buying price | Not published – contact us for a quote |