Top ceramic proppant 40/70 density. high pressure resistance, high conductivity ... than 1300°C. Its mineral composition is aluminum oxide, silicate and iron – titanium oxide. Why people choose the ... 16-30 mesh, 20-40 mesh, 30-50 mesh, 30-60 mesh, 40-60 mesh, 40-70 mesh, 70-140 ... -371-86631067001-8322706338Fax: 86-371-86631067Address: Suite 1012, NO.25 Shangwu Waihuan Road, CBD Zhengzhou, Henan, ChinaNo.08 ...