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Is alumina hydrophobic or hydrophilic

Updated: 8/11/2023
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13y ago

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More towards hydrophilic. It forms a contact angle of 10 degrees when in contact with water. Means it "attracts" water molecules to itself, more than, say, Zirconia (another form of similar oxide, called Zirconia Dioxide), which forms a contact angle of 50 degrees with water to material. (water droplet appears more round, so this means it doesn't attracts water as strong as alumina).

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13y ago
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12y ago

hydrophilic

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Q: Is alumina hydrophobic or hydrophilic
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