Trademark：553#Specificati***：(10-100)mm90%Packing：TonbagAppearance：SilvergrayblockNetweight：1,000kgGrossweight：1,003kgApplicati***:Hardandbrittle,itismadeofquartzwith98.5%SiO2andothermaterialsby***elting,anditisabasicindustrialrawmaterialwidelyusedinaerospace,electronics,chemicalindustry,metallurgy,andinsulationrefractoriesindustries.NameCodeCompositionSicontent(%)Impurities(%)FeAlCaPBMY553>98.5%≤0.5≤0.5≤0.3--)