- color: white
- Brand Name: zhongtian
- Place of Origin: Jiangxi China (Mainland)
activated alumina large capacity of absorption, high surface area, high strength and thermal stability.
activated alumina:
AL2O3 content:>905
size: 3-5mm, 4-6mm
surfact area: >280m2/g
Physical and chemical properties
Variety Property | Active alumina absorbent | Active alumina drying agent | Active alumina catalyst carrier | |||||||
Normal | High strength | Normal | Air separation | |||||||
Crystal phase | γType | X-P Type | γType | |||||||
Chemical composit-ions, | AL2O3 | ≥92 | ≥93 | ≥90 | ≥95 | |||||
Na2O | ≤0.3 | |||||||||
Other | 6-8 | 10 | 5 | |||||||
Physical properties | Outward size, mm | Ø2-3 Ø3-5 Ø4-6 | 5-8 | Ø2-3 Ø3-5 Ø4-6 | Ø2-3 Ø3-5 Ø4-6 | |||||
Specific surface areas, .m2/g | ≥300 | 300-325 | ≥300 | 350±20 | 200-400 | |||||
Pore volume, ml/g | ≥0.35 | ≥0.5 | 0.4±0.05 | 0.4±0.03 | 200-400 | |||||
Static water sorption, | ≥15 | 17-19 | ≥15 | ≥19 | ≥28 | |||||
Bulk density, g/ml | 0.68-0.72 | 0.74-0.77 | 0.68-0.72 | |||||||
Abrasion ratio, | ≤0.4 | |||||||||
Point crushing strength, | Ø2-3 | ≥70 | 222-311 | Ø2-3 | ≥70 | Ø2-3 | ≥70 | |||
Ø3-5 | ≥100 | Ø3-5 | ≥100 | Ø3-5 | ≥100 | |||||
Ø4-6 | ≥100 | Ø4-6 | ≥100 | Ø4-6 | ≥100 | |||||
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