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Home Uncategorized

ISRO offers technology for producing waterproofing compound

by Sumedh
January 3, 2020
in Uncategorized
2 min read
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The Indian Space Research Organisation at its Vikram Sarabhai Space Centre for the waterproofing of silica foam tiles and for silica felt/fabric based flexible insulation.
RWPC-03 is a waterproofing compound. It is an alkoxy silane based system, processed by controlled hydrolysis of siloxanes and is environment friendly. The treatment involves applying an aqueous solution of the organo-polysiloxane waterproofing agent on the substrate (preferably glass and silica based) and heating them to form a waterproofed article. In the case of silica tiles and silica felt/fabrics, water absorption could be brought down from 350% to <1.5% using this compound. It can potentially be used as general purpose water proofing compound for silica based components including composites.
Typical properties / characteristics:
Color and consistency of RWPC-03 Transparent liquid Water absorption of water proofed silica tile <1.5 % by weight Water absorption of water proofed flexible insulation <2% by weight.

Those interested in buying this technology should contact:

Group Head
Technology Transfer & Documentation Group
Vikram Sarabhai Space Centre (VSSC) ISRO P.O
Thiruvananthapuram – 695 013
Fax : 0471-256 4134.

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