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Well Blocks And Porous Plugs

The main materials of well blocks & porous plugs are chromiun-corundum and corundum-spinel.Our company adopting tabular alumina,emery,chromium oxide green and magnesium aluminate spinel as main raw materials,using cement as binder to produce directional slit porous plug,which has the advantages of good structural stability,high air permeability,strong corrosion resistant and long service life etc.