Zircon

 GRADE 1

CHEMICAL ANALYSIS:

GUARANTEED:

                   ZrO2(+HfO2)                   65.00 % (Min)

TYPICAL (%):

                   ZrO2(+HfO2)                  65.80 %

                   SIO2                              32.50 %

                   TIO2                                 0.25 %

                   Fe2O3                              0.10 %

                   Al2O3                               1.20 %

SIEVE ANALYSIS:

MESH (TYLER SCR.)            SIEVE OPENING MICRONS CUM.WEIGHT % RETAINED

48                                300                                          1.0 - 5.0

65                                212                                          7.0 34.0

100                              150                                          33.0 63.0

150                              106                                          90.0  97.5

200                              75                                            97.0  100.0

SPECIFIC GRAVITY : 4.6 4.7

BULK DENSITY        :  2,800  3,000 Kg/m3

HARDNESS (Mohs) :  7.5

Grade 2

CHEMICAL ANALYSIS:

GUARANTEED:

                   ZrO2(+HfO2)               65.00 % (Min)

TYPICAL (%):

                   ZrO2(+HfO2)               65.30 %

                   SIO2                              32.80 %

                   TIO2                               0.27 %

                   Fe2O3                             0.12 %

SIEVE ANALYSIS:

MESH (TYLER SCR.)   SIEVE OPENING MICRONS            CUM.WEIGHT % RETAINED

35                                            425                                                           NIL

48                                            300                                                     0.00 0.10

65                                            212                                                     0.20 1.50

100                                         150                                                     20.00 35.00

150                                         106                                                     70.00 90.00

200                                         75                                                        95.00 99.00

-200                                     -75                                                           1.00  1.50

SPECIFIC GRAVITY : 4.6  4.7

BULK DENSITY        :  2,900 , 3,000 Kg/m3

HARDNESS (Mohs) :  7.5

Note: Zircon being a natural product, its chemical analysis is expected to vary. Variations in Sieve analysis is furnished for guidance purpose. As its a naturally occurring mineral, its grain size is found to vary from time to time.