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  • Q What is the purity and hardness of your Silica Pebbles and Silex Bricks?

    A Silica Pebbles and Silex Lining Bricks contain SiO2>=99%, with Mohs hardness 7–8 and volume density 2.65g/cm3. They offer high acid resistance and ultra-low iron pickup for iron-free milling processes.

  • Q Q: What are the key technical parameters of your 92% Alumina Grinding Balls?

    A Al2O3>=92%, density >3.65g/cm3$, Mohs hardness 9, and water absorption <=0.01%. They feature high wear resistance and low contamination, optimized for ceramic glaze, pigment, and raw material milling.

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