Updates
NIT for Engagement of Consultant for preparation of EIA and EMP study to obtain EC to set up High End Aluminium Alloy project by “Utkarsha Aluminium Dhatu Nigam Ltd.” 16/07/2020     | Deposit of one time Registration fees for PRMBS 26/06/2020     | Metal E-auction Notice dtd 19.06.2020 ( Click here ) 19/06/2020     | Last Date for Submission of Online Recruitment Application for Graduate Engineer Trainees 03/06/2020     | Last Date For Receipt of Hardcopies of Recruitment Application for Management Trainee(Finance) And Asst. Manager(Finance) 03/06/2020     | Covid Mailer from Ministry 06/05/2020     | Further Extension of Last Date for Submission of Online Recruitment Application for Graduate Engineers 02/05/2020     | Further Extension of Last Date for Receipt of Hardcopies of Recruitment Application for Management Trainee(Finance) And Asst. Manager(Finance) 02/05/2020     | Integrated Govt. Online Training ( iGOT) courses on DIKSHA platform on Covid 19 pandemic 22/04/2020     | Circular: Integrated Govt. Online Training (iGOT) courses on DIKSHA platform on COVID-19 pandemic 22/04/2020     | EOI – for SUPPLY, INSTALLATION, OPERATION AND MAINTENANCE OF GPS & GPRS BASED INTEGRATED RAKE TRACKING SYSTEM IN CAPTIVE POWER PLANT, ANGUL, ODISHA 11/04/2020     | EXTENSION OF LAST DATE FOR RECEIPT OF HARDCOPIES OF RECRUITMENT APPLICATION FOR MANAGEMENT TRAINEE(FINANCE) AND ASST. MANAGER(FINANCE) 09/04/2020     | EXTENSION OF LAST DATE FOR SUBMISSION OF ONLINE RECRUITMENT APPLICATION FOR GRADUATE ENGINEERS 09/04/2020     | Advertisement of PESB for the post of Director(Commercial) 18/03/2020     | The corrigendum against the Advt. no 10200101 13/03/2020     | Recruitment of Finance Executives 19/02/2020     | Joint Venture agreement for Khanij Bidesh India Ltd. (KABIL) signed in presence of Hon’ble Minister of Mines Shri Pralhad Joshi by NALCO, HCL and MECL under Ministry of Mines, GoI. 01/08/2019     | Revision of PRMBS contribution for 2019-2020 02/04/2019     | Call for vendor registration from SC/ST entrepreneurs 24/01/2019     | Information about common knowledge Management portal for CPSEs 10/08/2018     |
print page icon

Calcined Alumina

  • Type : Coarse Alumina(Sandy Type)

Physical Specifications

  • BET SURFACE AREA:60-80 M2 / GM
  • LOI (300-1000 deg C):0.5 – 1%
  • BULK DENSITY:0.95 – 1.05 T/M3
1 Typical Maximum
Alpha Content% 10
Grain Size
+ 125 Micron (%) 15
+ 125 Micron (%) 15
– 45 Micron (%) 10 12

Chemical Specifications

1 Typical Maximum
P2O5 % 0.0015 0.002
Na2O % 0.38 0.50
Fe2O3 % 0.01 0.015
SiO2 % 0.012 0.02
ZnO % 0.0005 0.0008
CaO % 0.042 0.05
TiO2 % 0.0013 0.004
V2O5 % 0.0015 0.002
K2O % 0.0015 0.002
Ga2O % 0.012
Alumina Content % 98.7 98.5(minimum)