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Sunday 16 July 2017

Jayanta Ray, General Manager - Industrial and OEM, GS Caltex India Pvt Ltd




PARIS, FRANCE: Air Liquide SA has signed new supply contracts covering a period of 10 to 15 years with three major Chinese fibre optics manufacturers. In the frame of these new contracts with Futong Group Communication Technology, Yangtze Optical Fibre, and Zhongtian Technology Fine Materials, Air Liquide will supply a total exceeding 6,000 Nm3 per hour of hydrogen and 4,000 Nm3 per hour of nitrogen, together with bulk oxygen, helium, argon and carbon dioxide.
Air Liquide will thus support the further development of China’s fibre optics industry.
Industrial gases are used to consolidate the centre of the fibre, which consists of a silica glass rod. In practice, the first step in manufacturing fibre optics is to produce this glass rod, called “preform”. Hydrogen, oxygen and helium are then used to strengthen the preform before heating and drawing. In the final step, helium and argon are used to cool the drawn fibre efficiently.




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