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In Reply to: RE: Mapleshade Silclear posted by MarcL on October 29, 2020 at 04:03:38
if it was pure silver I would be wary also, but it's suspended with other ingredients as well.
I've seen silver turn green or black over time but not the silclear and it's been 10years.
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And I recalled the mechanism of tin corrosion called "fretting". It can happen with tin-tin contacts as well as tin-gold. It's caused by periodic (not continuous) movement of the contact through thermal expansion or mechanical shock. Tin oxides break loose and leave small amounts of debris, which work their way under the contact after many small movements. It was identified as a failure mechanism in cash registers, because the occasional opening of the drawer resulted in small shocks to internal connectors.
Perhaps on a speaker the occasional strong bass hit could contribute. But certainly thermal changes in a room during the day, especially with A/C going off and on and varying humidity.
Agilist, Musician, Photographer, Audiophile
Magneplanar: 3.7, CC5, MC1, DWM; Outlaw: UltraX12, LFM-1C; Emotiva: XMC-1, PA-1; Nord: Nord One NC500DM; Outlaw: Model 7500; OPPO 205
just apply sparingly, you only need it on actual contact points. I wasn't careful enough one time and it took a while to find my mistake on an RCA connector that shorted. That little jar it comes in lasts a loooong time.
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