金剛石工具(ju)配(pei)方粉X5-507定(ding)格鋒利時代，Fe、Cu、Zn主要成分，一般地，熔點低、比(bi)較軟的材料如Sn、Zn、Cu、Ag等壓制性能好---易被(bei)壓縮、壓出(chu)的胚體(ti)強度高、反(fan)彈較小、也容易燒結;

　　隔夜滬(hu)(hu)鋅(xin)(xin)(xin)主力1807合約開于23905元(yuan)(yuan)(yuan)/噸，盤(pan)初多頭攜倉涌(yong)入，提振滬(hu)(hu)鋅(xin)(xin)(xin)上(shang)行摸高23995元(yuan)(yuan)(yuan)/噸，然(ran)上(shang)方受40日均線(xian)強行壓制，滬(hu)(hu)鋅(xin)(xin)(xin)承(cheng)壓下挫，重(zhong)心下沉至沿日均線(xian)下方23875元(yuan)(yuan)(yuan)/噸附近(jin)盤(pan)整(zheng)(zheng)。收跌報23850元(yuan)(yuan)(yuan)/噸，跌50元(yuan)(yuan)(yuan)/噸，跌幅0.21%，成交量減25.4萬手至10.3萬手，持倉量減1546手至23.4萬手。滬(hu)(hu)鋅(xin)(xin)(xin)下方布林通道中軌(gui)形成較強支撐，加之國(guo)內鋅(xin)(xin)(xin)庫存持續下降供應減少，釋(shi)放多頭信號，然(ran)上(shang)方受40日均線(xian)及24000元(yuan)(yuan)(yuan)/噸整(zheng)(zheng)數關口雙重(zhong)壓制，預計(ji)日內滬(hu)(hu)鋅(xin)(xin)(xin)主力或運行于23700-24100元(yuan)(yuan)(yuan)/噸。

　　上(shang)海期貨交易所5月(yue)28日(ri)上(shang)海地(di)(di)(di)區(qu)(qu)銅(tong)庫存合計115991噸(dun)(dun)(dun)，較(jiao)(jiao)上(shang)日(ri)跌760噸(dun)(dun)(dun);廣東地(di)(di)(di)區(qu)(qu)銅(tong)庫存合計2950噸(dun)(dun)(dun)，較(jiao)(jiao)上(shang)日(ri)持平;江蘇(su)地(di)(di)(di)區(qu)(qu)銅(tong)庫存合計25251噸(dun)(dun)(dun)，較(jiao)(jiao)上(shang)日(ri)持平;浙江地(di)(di)(di)區(qu)(qu)銅(tong)庫存合計1451噸(dun)(dun)(dun)，較(jiao)(jiao)上(shang)日(ri)持平;江西(xi)地(di)(di)(di)區(qu)(qu)銅(tong)庫存合計0噸(dun)(dun)(dun)，較(jiao)(jiao)上(shang)日(ri)持平;總(zong)共(gong)合計145643噸(dun)(dun)(dun)，較(jiao)(jiao)上(shang)日(ri)跌760噸(dun)(dun)(dun)。