RP 350 korantada caadiga ah ee garaafyada
Alaabooyinka Hexi waxay ka gudbeen shahaadada nidaamka maaraynta tayada ISO9001 waxayna heleen shahaadada dhoofinta ee korantada graphite ee ay oggolaatay dawladda Shiinaha.Adeegga iibka ka dib oo tayo wanaagsan iyo heer sare ah, badeecadayada ayaa baahi weyn ugu jirta suuqa adduunka.
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Garaafaynta waxaa loola jeedaa habka daawaynta kulaylka sare ee kaarboonka amorphouska ah ee loo beddelo shabag saddex geesood ah oo la amray oo qorsheeysan oo saddex geesood ah oo la dhejiyay iyadoo lagu kululeynayo alaabta kaarboon ilaa 2300 ℃ ama ka sareeya foorno koronto oo heerkul sare ah.Garaafyada walxaha kaarboonka waxaa lagu fuliyaa heerkul sare oo ah 2300 ~ 3000℃.Sababtoo ah gubashada shidaalka fosil way adagtahay in la helo heerkul aad u sarreeya, waxa kaliya oo lagu gaari karaa kuleyliyaha korantada ee warshadaha.