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Home Technology Offers For Small and Medium Industries

ISRO technology for silica fibres and granules 

by Sumedh
January 9, 2023
in For Small and Medium Industries, Materials, Materials, Research News, Technology Offers
3 min read
0
ISRO technology for silica fibres and granules 
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ISRO is offering technology for producing silica fibres by sol-gel process. The fibres can be used for high temperature insulation up to 1500 degrees C. The low temperature process (400 degrees C) adopted for developing silica fibres is more economical than the conventional technologies and can give high purity fine fibres. In addition, the fibres are hollow as well, thereby improving the insulation property further. Fibre Specifications:  

• Composition : Silica (99.5%)  

• Diameter : 1 – 20 µ  

• Length : 5 – 20 mm  

• Aspect ratio : 500 – 20,000  

• Morphology : Amorphous (1400 o C)  

• Heat Treatment : Up to 1400 o C 

Similarly, ISRO is also offering technology for developing silica granules of fine sizes. The granules are produced from aero-gel chips and subsequently firing using microwaves. They can be used for high temperature insulation up to 1250 degrees C. Since they are hollow and weigh very less, they can also be used as filler materials for paints, polymer/ metal and ceramic matrices to reduce density and improve thermal properties. 

Product specifications:  

• Product Composition : SiO2 (99.5%)  

• Diameter : <2 mm  

• Bulk Density : <0.35 g/cc  

• Morphology : Hollow, fibrous & Amorphous 

FOR FURTHER DETAILS, CONTACT:

NewSpace India Limited (NSIL) 

Email: contact-nsil@isro.gov.in 

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Tags: hollow amorphouse fibersISROsilica fiberssilica fibressilica granulestechnology transfer
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