第一(yi)種(zhong)：包括裸露、無(wu)涂層、無(wu)合金(jin)的純銅(tong)線，表面無(wu)氧(yang)化，不含(han)毛絲，銅(tong)線直徑不小于1.6mm。
　　第二種包(bao)括(kuo)潔(jie)凈、無(wu)(wu)色(se)澤、無(wu)(wu)涂層(ceng)、無(wu)(wu)錫、無(wu)(wu)合金的純銅線(xian)(xian)和(he)銅電纜線(xian)(xian)，不含毛絲和(he)燒過的易碎(sui)的銅線(xian)(xian)。
　　第三種(zhong)(zhong)(zhong)無合金(jin)的(de)(de)(de)(de)廢(fei)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)線(xian)(xian)，含(han)有(you)(you)(you)雜(za)料(liao)(liao)，含(han)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)量(liang)為96%（最小含(han)量(liang)94%）。不(bu)得含(han)有(you)(you)(you)過分(fen)鉛(qian)化和(he)錫化的(de)(de)(de)(de)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)線(xian)(xian)、焊接(jie)過的(de)(de)(de)(de)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)線(xian)(xian)、黃(huang)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)和(he)青(qing)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)線(xian)(xian)、過多(duo)的(de)(de)(de)(de)油、廢(fei)鋼鐵(tie)和(he)非(fei)金(jin)屬(shu)、脆的(de)(de)(de)(de)過燒線(xian)(xian)、絕緣性銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)線(xian)(xian)和(he)過多(duo)的(de)(de)(de)(de)細(xi)絲線(xian)(xian)。需(xu)用(yong)適(shi)當(dang)方式清(qing)除塵(chen)垢。各種(zhong)(zhong)(zhong)純(chun)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)廢(fei)料(liao)(liao)，主(zhu)要(yao)包(bao)括銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)材(cai)加工廠和(he)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)加工制造廠產生的(de)(de)(de)(de)純(chun)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)(de)邊角(jiao)料(liao)(liao)、切頭、廢(fei)次材(cai)、半(ban)成品(pin)、線(xian)(xian)材(cai)、廢(fei)品(pin)等(deng)(deng)；允(yun)許(xu)有(you)(you)(you)報廢(fei)的(de)(de)(de)(de)純(chun)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)裸(luo)線(xian)(xian)和(he)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)管等(deng)(deng)其它純(chun)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)制品(pin)，但不(bu)許(xu)有(you)(you)(you)水垢、油污、涂層(ceng)等(deng)(deng)；廢(fei)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)料(liao)(liao)中不(bu)允(yun)許(xu)含(han)有(you)(you)(you)任何雜(za)質和(he)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)合金(jin)，也(ye)不(bu)許(xu)含(han)有(you)(you)(you)毛絲、車屑、磨屑和(he)厚(hou)度小于1mm的(de)(de)(de)(de)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)板。其實他們都叫(jiao)紫(zi)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)，不(bu)過市場交易比(bi)較(jiao)多(duo)的(de)(de)(de)(de)那種(zhong)(zhong)(zhong)叫(jiao)做(zuo)紫(zi)雜(za)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)，銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)含(han)量(liang)在80%左(zuo)右，還有(you)(you)(you)黃(huang)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)也(ye)交易的(de)(de)(de)(de)比(bi)較(jiao)多(duo)的(de)(de)(de)(de)廢(fei)金(jin)屬(shu)品(pin)種(zhong)(zhong)(zhong)，一般(ban)的(de)(de)(de)(de)黃(huang)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)是59黃(huang)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)就是含(han)純(chun)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)59%的(de)(de)(de)(de)，其余(yu)的(de)(de)(de)(de)成分(fen)以鋅為主(zhu)，這種(zhong)(zhong)(zhong)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)也(ye)叫(jiao)做(zuo)黃(huang)雜(za)銅(tong)(tong)(tong)(tong)(tong)(tong)(tong)(tong)。