ʯӢɰ?quartz?sands?ɰ?high?purity?grade:sio2:99.95%min-99.8%min?fe2o3:3ppm?max-30ppm?max,?size:2-200?mesh?ƹɰdeliberated?grade:sio2:99.8%min-99.0%min?fe2o3:50ppm?max-0.03%?max,?size:2-325?mesh?
2011-07-04 0ʯӢɰ?SiO29999.5?Fe2O30.020.015,x(yu)|(zh)VʯM(jn)Џ(f)sӹȷ5480ĿɰÑҪa(chn)^ɫY(ji)Ҫ;(j)Ʒͻ۟ʯTɰ݆ĥĵ
2011-07-04 0ʯӢһN|(zh)ͻW(xu)|(zh)ʮַ(wn)ĵVa(chn)YԴʯӢĻW(xu)ɷ֞SiO2wϵV͜ʯӢa-ʯӢʯӢVзֲ^Vһ(g)VNVxʯӢ߀ߜʯӢb-ʯӢʯӢKʯ?Ҫa(chn)ʯӢɰ(ַQɰ)ԭ?ҲʯӢͻϺ͟ƹFԭϡʯӢɰrҪɷݞʯӢܶȞÿƽ2.65ĪӲȞ7?Y(ji)f(wn)wϵ^ɰɫɫ
2011-07-04 0ʯӢһN|(zh)ͻW(xu)|(zh)ʮַ(wn)ĵVa(chn)YԴʯӢĻW(xu)ɷ֞SiO2wϵV͜ʯӢa-ʯӢʯӢVзֲ^Vһ(g)VNVxʯӢ߀ߜʯӢb-ʯӢʯӢKʯ?Ҫa(chn)ʯӢɰ(ַQɰ)ԭ?ҲʯӢͻϺ͟ƹFԭϡʯӢɰrҪɷݞʯӢܶȞÿƽ2.65ĪӲȞ7?Y(ji)f(wn)wϵ^ɰɫɫ
2011-07-04 0