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Description:We have great pleasure to introduce our self a producer and exporter of silica sand, which used in glass work and crystal made. Kindly find below our specification: (zaafarana quarries 1-granoulometric analysis) glass work) From 0.6 to 0.74% 0.707mm 7.12 to 7.77 % 0.500mm 28.2 to 37.77% 0.297mm 56.78 to 47.85% 0.177mm 3.54 to 3.93% 0.125mm 1.79 to 1.99% 0.074mm 0.95 to 1.37% -0.074mm 2-chemical analysis: Oxides: Sio2 from 99.4 to 99.6 % Al2o3 0.06 to 0.09 % Na2o3 0.05 to 0.07 % K2o 0.01 to 0.02 % Cao 0.02 to 0.09 % Mgo 0.03 to 0.03 % Fe2o3 0.012 to 0.018 % Cr2o3 2p. P. M to 2p. P. M % Tio2 0.017 to 0.021 % L. O. I 0.15 to 0.25 % N. B Sampling and analysis were carried by the experimental section in murano. Italy. Oxides were analyzed using x-ray fluorescence welcome all serious buyers