1978
1st Entrepreneurial venture near Mumbai
Bhavnani family founded RB Chemicals. Set-up Potassium Persulphates manufacturing plant near Mumbai using Electrochemical Technology.
1984
Founded Calibre Chemicals
Bhavnani family, the founders, established Calibre Chemicals in Sarigam, Gujarat that expanded over the years to today a six acres multi product multi-facility Campus.
1988
Added Electrochemical plant to manufacture Potassium Iodate
Calibre established India’ first large scale Potassium Iodate plant using Electrochemistry. This is today Worlds’ largest Potassium Iodate manufacturing plant with Electrochemistry.
Company expanded the Potassium Persulphate manufacturing Capacity to cater the increasing demand of Indian market.
1995
UNICEF Partnership
Calibre partnered with UNICEF to support global Salt Iodization Program addressing children and adult malnutrition. The Calibre- Unicef partnership continued ever since.Â
2005
Extended Green Chemistry Electrochemical platform to manufacture Perchlorates
Calibre Developed its electrochemistry platform further and started manufacturing Sodium Perchlorate. Calibre emerges as the largest merchant manufacturer of Sodium Perchlorate in India.
2008
Iodine Derivative Business Expansion
Company developed Inorganic Iodides and launched several products to address the Iodine derivate needs of several end markets, animal feed, pharamceuticals, polymers and oil and gas.
2010
Established European Subsidiary
Company established a subsidiary in Belgium, Calibre Europe BV for near presence to our European customers.
2014
Recognition by Government of India
calibre was conferred Start Trading House status by Govt of India because of its expanding international business and contribution to the Indian Foreign Exchange kitty.
To meet the demand of expanding customer base, Company expanded Persulphate capacity and emerged as the largest Potassium Persulphate manufacturer in India.
2019
Started Calimara Matters
After Calibre became a recognized partner of several space agencies for the Civil Aerospace programmes. Company helped establish a sister company Calimara Matters to further expand the Perchlorate capacity. Calimara set up Perchloric Acid manufacturing plant and ventured into Custom manufacturing of Perchlorate Derivatives.
2020
Calibre Everstone Partnership and further expansion
Everstone partnered with Calibre and Calimara to start a new phase of growth for the Company.
With further expansion of Persulphate capacity, Outside China, calibre is the largest manufacturer of Potassium Persulphate in Asia.
2022
Calibre acquires RheinPerChemie GmbH from Evonik
With this acquisition, Calibre becomes a global, full-range persulphates supplier with ammonium, sodium and potassium persulphate manufacturing capabilities.
2023
Calibre Acquired R&D and Product Development From Tina Life Science
