... 2.Professional Service 3.Calcined olivine sand for Foundry 4.High quality Applications:1.Foundry sand for carbon casting ,manganese steel casting ... and produces a clean surface finish,making it sitable for foundry castings.2.EBT tap hole filler ,EBT sand,for electrical ... gunning ,tundish linings,covering flux .3.Olivine Flour:-325mesh for foundry coating of manganese steel.4.For tundish coating mix and ...