... of 20/40 mesh 1,high quality and competitive price 2,flexible payment 3, passed ISO 1. Categories of ... service life in the lower strata of 232 degrees Celsius temperatureQuartz support - ... of ceramic proppants can be classified into: 12/20 mesh, 16/20 mesh, 16/30 mesh, 20/40 mesh, 30/50 mesh, 40/60 mesh, 40/70 mesh ... , 70/100 mesh ...