sic refractory ball sic 65%, S 0.1%max, H2O 1.0%max size: 35mmx50mmx50mm, 95%min or according to customers' requireme Content sic refractory ballsic 65%, S 0.1%max, H2O 1.0%maxsize: 35mmx50mmx50mm, 95%min or according to customers' requireme Typical properties: our refractory ball is characterised by it's low content of Sulfur1.High compression strength2.Low percentage of sulfur3.Excellent ...