Notice of use:
1, do not open the package before use, so as not to absorb moisture, and affect the use effect.
2, this series of products sealed packaging, must be stored in a dry place, waterproof, moisture-proof.
Activated alumina adsorbent |
Alumina desiccant |
Activated alumina |
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General type |
High-strength type |
General type |
Air separation type |
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Crystal type |
Y type |
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X-P |
Y type |
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chemical composition |
Al2O3 | ≥92 |
≥93 |
≥90 |
≥95 |
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Na2O |
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|
≥0.3 |
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Rest |
6—8 |
<10 |
<5 |
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physical property |
Outline size mm |
ï¿ 2—3 |
ï¿ 5—8 |
ï¿ 2—3 |
ï¿ 2—3 |
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specific surface area | ≥300 |
300—325 |
≥300 |
350+20 |
200—400 |
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pore volume,ml/g |
≥0.35 |
≥0.5 |
0.4+0.05 |
0.4+0.03 |
0.4—0.6 |
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Static water absorptionï¼… |
≥15 |
17—19 |
≥15 |
≥19 |
≥28 |
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Bulk density g/ml |
0.68—0.72 |
0.74—0.77 |
0.68—0.72 |
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Wear rateï¼… |
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|
|
|
|
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Click crushing strength |
ï¿ 2—3 |
≥70 |
222—311 |
ï¿ 2—3 |
≥70 |
ï¿ 2—3 |
≥70 |
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ï¿ 3—5 |
≥100 |
ï¿ 3—5 |
≥100 |
ï¿ 3—5 |
≥100 |
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ï¿ 4—6 |
≥100 |
ï¿ 4—6 |
≥100 |
ï¿ 4—6 |
≥100 |