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Slica Gel Alumina Gel Water Resistant

Product Description

Classification: Silicon Dioxide Kind: Amphoteric Oxide Specification: 2-5mm, 2-4mm, 3-5mm, 1-3mm HS Code: 28112210 Grade Standard: Industrial Grade Quality: First Class Origin: China
                             Water-resistant  Silica Alumina Gel      
This product is a water-resistant silica-alumina gel with fine pores.  
It is usually used as protective layer of fine-pored silica gel or   
fine-pored silica-alumina gel,and can be used solely    
when dissociated water(liquid water)is in high content.    
Lower dew point can be true when liquid water exits in system.    
It is mainly used as drying agent for air-separation, compressed air and industrial gases,
as ethyne absorbent for preparation of liquid oxygen or liquid nitrogen and as liquid absorbent
or catalyst carrier in oil chemistry, electricity and brewery industry.especially used as protective
layer of common silica gel and silica-alumina gel.    
About 20%(wt)should be the percent when used as protective layer.  
[Technical Data]           
Item Specifications Typical values (3-5mm)  
Adsorption capacity,% (25ºC, wt) RH20% ≥ 3.5 4.7  
RH40% ≥ 6 7.6  
RH80% ≥ 30 37.6  
Pore volume,ml/g 0.35-0.5 0.39  
Specific  surface area,m2/g 450 531  
Bulk density, g/l 670 759  
Compression strength, N/particle, ≥ 60 84.4  
Loss on heating,  ≤ 3 1.5  
SIO2, %,≥ 80 81.2  
Al2O3,% 10--17 12.2  
[Size] 2-5mm,2-4mm,3-5mm,1-3mm
[Packaging] 25Kg per  bag or 500Kg per container bag. 
[Notes]  1) Packing and size may be customized per your specific requirements.
             2)Compression strength has relation with the particle size.  

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