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ZrO2+HfO2 SiO2 Fe2O3 TiO2 Ig.loss CaO —±“x
94.0 (Min%) 0.30 (Max%) 0.30 (Max%) 0.40 (Max%) 0.50 (Max%) 6.0 (Max%) #8, #20, #40, #100,
#200, #350, 325F, 350F
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