Aluminum oxide

Aluminum oxide (Al₂O₃), also known as alumina. It is commonly used in various rubber, plastics, ceramics, and refractory materials for reinforcement hardening. It can also be used as a filler or component in polymer or inorganic composite materials, as a catalyst or catalyst support, as an adsorbent, etc.

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Aluminum oxide is used as

• Filler for plastics and a common ingredient in sunscreen and many cosmetics.
• As a catalyst for alcohol dehydration in the Claus process.
• As a catalyst in the conversion of urea to ammonia.

Aluminum oxide has:

• High porosity
• High surface area
• Acidic and basic property