DRY MICROSPHERE

Dry micro-zone – filler having empty spaces.

Typical properties:

• SiO₂ content % (m/m) – 52-65,
• Al₂O₃ content % (m/m) – 21-31,
• Fe₂O₃ content % (m/m) – 2-5,5,
• Dry material bulk density – 0,38 – 0,42 g/cm³,
• Relative density – 0,75 – 0,79  g/cm³.

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