1.ISO quality; factory direct selling 2.accept small orders 3.fast ... in coating and painting.2. Partical Size60mesh, 100mesh, 200mesh, 325 mesh, 400mesh, 500mesh, 600mesh, 800mesh, 1000mesh, 1250mesh, 2500meshor according to customers ... .5±0.1Breaking strength: 326N/Square centimeterMoisture: 20%-23% 2012 ISO quality kaolin for ceramics