CSIR-Central Glass & Ceramic Research Institute
(A Unit of Council of Scientific and Industrial Research)

सीएसआईआर-केंद्रीय कांच और सिरेमिक अनुसंधान संस्थान
(वैज्ञानिक और औद्योगिक अनुसंधान परिषद की एक इकाई)
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Mr. Sitendu Mandal
Senior Principal Scientist & Head

Specialty Glass Production Section (Glass Division)

Phone: (033) 2483 8079 (Ex. 3343)
(D): 033-2322 3343
FAX: FAX: +91-33-2473 0957
E-mail: sitendum@cgcri.res.in / sitendum1965@gmail.com

M.Sc. in Chemistry



Mr. Mandal joined CGCRI on 16.10.1989

Research Interest
  • Optical glass Technology, Specialty Glass development, low expansion ceramics. The undersigned has more than 25 years of experience in Research and Developmental work in the field of glass science & technology. The activities of the undersigned resulted in development of appropriate technology, development of product, generation of knowledge base in the form of technical papers, patents, reports etc. His current research activities are in the areas of high density glass for radiation protection in nuclear hot cell and specialty borosilicate glass frit / bead for nuclear waste fixation wherein technology development and commercialization have been the main focus. While the radiation shielding glass is being produced in pilot scale at CGCRI for catering to the need of DAE, the technology of specialty glass beads has been successfully transferred to an industrial partner for commercial production and supply to DAE’s ancillary units.

Professional Career
OrganisationDesignationsDuration
CSIR-CGCRI, Kolkata Scientist B, C, EI, EII & F
{Scientist Gr. IV (1) to Gr. IV (5)]
1989 – Continuing

Awards/Recognition
  • Received the prestigious CSIR - DAAD Scholarship for 16 months to carry out research and developmental work in the field of Special glass development in Germany for the block year 1994-95 under CSIR -DAAD fellowship program
  • Received Malaviya Award for 2004 in the 70th Annual Session of the Indian Ceramic Society held on January 8, 2007 at Visakhapatnam for contribution in the field of Ceramic Science & Technology as presented in the paper entitled Rehydration Characteristics of Lithium Aluminum Silicon Hydroxy Hydrogel by S. Mandal, S. Chakrabarti & S. Ghatak published in the Journal Transactions Indian Ceramic Society, Vol. 63, pp 203-209, 2004
  • Recipient of the prestigious NRDC Meritorious Innovation Award 2013 for the “Technology on manufacturing Specialty Borosilicate Glass Bead for Nuclear Waste Immobilization”. The awards were distributed during Innovate India 2015 Program at PSG College of Technology, Coimbatore on the 25th February 2015.
  • Received the Best Technology Award 2013 by CSIR-CGCRI in recognition of the Development on Manufacturing Specialty Borosilicate Glass Bead and its commercialization during CSIR Foundation day on 26th September 2013
  • Received the Best Technology Award 2014 by CSIR-CGCRI in recognition of the Development on Manufacturing Specialty Low Sodium Content Borosilicate Glass Bead and its commercialization during CSIR Foundation day on 26th September 2014

Selected Publications
Summary: 15 papers in national and international journals and conferences
Selected papers:
  1. Preparation and characterization of a powder precursor, consisting of oxides of Li-Al-Si in the form of hydroxyhydrogel for synthesis of -spodumene ceramics by S. Mandal, S. Chakrabarti, S. Ghatak, Ceramics International 30 (2004) 357 - 367.
  2. Sintering characteristics of in situ formed low expansion ceramics from a powder precursor in the form of hydroxyl hydrogel by S. Mandal, S. Chakrabarti, S. Das, S. Ghatak, Ceramics International 30 (2004) 2147 - 2155.
  3. Ultra low and negative expansion glass-ceramic materials produced from pyrophyllite and blast furnace slag by S. Mandal, S. Chakrabarti, S. Ghatak and S.K. Das, Bull. Mater. Sci., Vol 28, No.5, August 2005, pp. 437 - 443.
  4. Synthesis of low expansion ceramics in lithia-alumina-silica system with zirconia additive using the powder precursor in the form of hydroxyl hydrogel by S. Mandal, S. Chakrabarti, S.K. Das and S. Ghatak, Ceramics International Vol. 33, Issue 2, March 2007, page 123-132.
  5. 5. Low expansive glass-ceramic material produced from blast furnace slag and china clay by S. Mandal, S. Chakrabarti, S. Ghatak and S.K. Das, Industrial Ceramics, Vol. 26, No. 1, 2006.

Patents filed / Granted
Summary: Indian: 04
  1. A process of making ultra low expansion glass ceramics by Sitendu Mandal, Sankar Ghatak, Sanjib Samadder & Sachchidananda Chakrabarti (190 / Del / 2000 Dated 03.03.2000)
  2. A process of preparation of lithium aluminosilicate by Sitendu Mandal, Sachchidananda Chakrabarti, Sukehn Das & Sankar Ghatak (NF 416 / 2000 Dated 26.12.2000)
  3. A process of making low thermal expansion lithium alumino-silicate ceramics by Sitendu Mandal, Sachchidananda Chakrabarti & Sankar Ghatak (Filed on December 2003).
  4. A process for the preparation of glass bead useful for the vitrification of nuclear waste by Sitendu Mandal, Ranjan Sen, Alok Roy Chowdhury and Prasanta Chaudhuri ((Application No: 3041DEL2012); Grant Awaited

Notable Research Contribution
  1. Upscale development of radiation resistant optical glass designated K - 108 (an import substitution) equivalent to stabilized BSC 516641 glass
  2. Development of "Bottom pouring flow cast process for melting optical glass
  3. Technology development of specialty glass such as high density glass for radiation protection
  4. Pt Pot and Bottom Pouring Technology (An Indigenous Technology) successfully demonstrated and Pilot Scale Facility established for Manufacturing Specialty Glass for DAE/ BARC, GoI [Development of Indigenous Technology of specialty glass under strategic application]
  5. Technology of Manufacturing Special Glass Beads of varying compositions for Nuclear Waste Immobilization [Development of Indigenous Technology of specialty glass bead under strategic application]
  6. Establishing an infrastructural facility for designing and production of glass based handicrafts for both artistic as well as commercial value


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