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|| Sow || Billets || Wirerods ||Calcined Alumina||Cast strips||Alumina Chemicals||Alumina Hydrate||

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CHEMICAL GRADE ALUMINA(Reactive Aluminas)

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Properties /Grades => NSPL200 NSPL 201 NSPL 202 NSPL 203 NSPL204 NSPL205
Unit
Physicalproperties:
 
Surface Area m2/gm 1.0 3.0 5 - 10 0.5 3.0 0.5-1.5
Alpha Content % 95-100 95-100 95-100 95-100 95-100 95-100
Specific gravity g/cc 3.95 + 3.95 + 3.95 + 3.95 + 3.95 + 3.95 +
LOI (At 1100 deg.C.) % 0.2 0.2 0.5 0.2 0.2 0.2
Particle Size Analysis 
Median dia. micron
2 - 2.5 1.5 0.5 3 - 4 1.5 70 - 90
<325 mesh (45 mic.) % 100 100 100 100 100 3-10
Chemical properties  
Al2O3 % 99.6 + 99.6 + 99.6 + 99.6 + 99.7 + 99.7 +
Na2O % 0.06-0.1 0.06-0.1 0.06-0.1 0.06-0.1 < 0.04 0.06-0.1
SiO2 % 0.025 0.025 0.025 0.025 0.025 0.025
Fe2O3 % 0.020 0.025 0.025 0.025 0.025 0.015
Areas of Applications  
Spark plug          * *
Spl. glass, Catalyst support            *
Elect. packages & substrates     * *     * *
Ware mechanical parts * * *    * *
Abrasives * * * *    
Cements,Castables,Spinel, Mullite *      * *   
 

Notes :

1. Values given in specifications are typical and actual values may vary.
2. Tailor made products adjusting to a particular quality can be manufactured other than stated in specifications.

 
NSPL 20, NSPL 30, NSPL 40, NSPL 50, NSPL 60
NSPL 100,NSPL 101, NSPL 102, NSPL 103, NSPL 104, NSPL 120, NSPL 121, NSPL 122