... 3.fast delivery 4.competitive price and High quality Refractory Ball1.>Passed ISO9001: 2000 Certification. 2.>Now the ... 4..Features:1, the low amount of wear, prevent material contamination.2, for high viscosity, wet grinding and ... textiles, paints, printing and dyeing4, Ceramics: Electronic ceramics, refractory ceramics, structural ceramicsrefractory ball is manufactured by using industrial alumina ...