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Specifications 1.80-120 mesh refractory zircon sand for sale2.inner layer for shell-making.3.investment casting, ceramics, coating, etc.1.80-120mesh refractory zircon sand for sale2.inner layer for shell-making.3.investment casting, ceramics, coating, etc. 1.the 80-120m zircon sand is used in investment casting, the processing is called dipping.2.it can enhance the shell`s thickness.3.it is specialize used in inner layer being mixed with silica sol.4.we supply compititive price.5.good service is supplied.6.zircon sand specification guaranteed chemical analysis:zro2 (include hfo2) 66.0% minimumtotal iron as fe2o3 0.07% maximumtio2 0.15% maximum 7.typical chemical analysis:zro2 66.6%fe2o3 0.06%tio2 0.14%sio2(total) 32.2%al2o3 0.45%p2o5 0.12%free silica as quartz < 0.05%8.it is for investment casting9.size specification:80-120m
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Delivery Time : 20 days