Glass prepared from pyrogenically prepared silicon dioxide
   
   

Pyrogenically prepared silicon dioxide with the following physicochemical properties:

    • 1. Average particle size (D50 value) D50150 nm (dynamic light scattering, 30 wt %)
    • 2. Viscosity (5 rpm, 30 wt %) 100 mPas
    • 3. Thixotropy of Ti ((5 rpm))/((50 rpm))2
    • 4. BET surface area 30-60 m2/g
    • 5. Compacted bulk=100-160 g/L
    • 6. Original pH4.5

      that can be used for the preparation of dispersions and glass bodies.

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