1.Olivine sand for EBT filler. 2.Professional manufacture. 3.10 years of exporting experiences. 4. ... ability. It can be used as an ideal material for EBT filler.Features:High refractorinessGood liquiditymoderate sinteringhigh tapping opening rateProperties: itemMgOSiO2Fe2O3Al2O3CaORefractorinessRaw olivine42 ... ,2-7mm,2-8mm,1-5mm,1-6mm,3-10mmThe EBT filler supplied by us has been proven to be of high ...