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Ted Mooney, P.E. RET
Pine Beach, NJ
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for Metal Finishing 1989-2024
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Silicone sealant versus methanol
I have a problem about silicone sealants. Can I use a silicone sealant for the glass sight gauge on a tank? The tank will be filled with methanol
[affil links](99.5%). So, will the methanol react with the silicone or contaminate the methanol? If not, how long will be silicone be capable to seal from leaking.
Thank you.
engineer - KUALA LUMPUR, WILAYAH PERSEKUTUAN, MALAYSIA
2004
It is highly likely that silicone reacts with methanol. I used silicone seals for my sample vials, with the sample dissolved in methanol. On analysis by LC (APCI)MS, I discovered extreme contamination. Mass spectra with a regular repeating pattern
(polymeric nature) which I suspect to be as a result of silicone extracted by methanol.
I will greatly appreciate to hear feedback from others.
Thank you.
Memorial University - St John's, NL, Canada
2004
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