Features(EBT filler): Good liquidity High refractoriness Thin sintering High tapping opening rate Chemical constituents(EBT filler):itemMgOSiO2Fe2O3Al2O3CaORefractorinessRaw olivine42-45%38%-40%7%-9%0.5%-1%0.2%-0.5%≥1710 °CCalcined olivine46-50%40-42%7%-9%0.5%-1%0.2%-0.5%≥1750 °C Size:2-4mm,2-5mm,2-6mm,2-7mm,2-8mm