... in many industries as refractory, ceramic,foundry,briquette, fodder, organic phosphate fertilizer, water-coal slurry, synthetic resin, adhesive and so on ... powdery 95% passes 80 eyes3.main content Content of organic>80%silicon0.071%plants the acid rottenly50.5%calcium0.4 ... rich in nitrogen and potassium, etc., it is the fine organic fertilizer; (2)This product also is good fodder raw materials besides ...