... 3.fast delivery 4.competitive price and High quality Refractory Ball1.>Passed ISO9001: 2000 Certification. 2 ... life, consolidated operating costs low.Application:1, high strength, high toughness products: magnetic materials, piezoelectric ceramics, dielectric ... paints, printing and dyeing4, Ceramics: Electronic ceramics, refractory ceramics, structural ceramicsrefractory ball is manufactured by using ...