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Rainwater
National Hazard
Posts: 987
Registered: 22-12-2021
Member Is Offline
Mood: Break'n glass & kick'n a's
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I would argue the opposite. For using as a casting binder for negative molds, the
Na/Si ratio will determine your cury time and maximum casting temperature.
Na rich favoring faster curying and lower temperatures.
For the glass sealing in manufacturing or industrial applications, a Si rich mixture is perfered.
Im actually titrating a sample now in order to determin my Na/Si ratio before I begin
a series of hydrothermal experiments.
[Edited on 24-1-2025 by Rainwater]
"You can't do that" - challenge accepted
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Morgan
International Hazard
Posts: 1730
Registered: 28-12-2010
Member Is Offline
Mood: No Mood
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Thanks for the comments. I was just wondering what the probability or degree a carbonate was part of the solid fraction that hardened at the bottom of
the waterglass bottle.
Anyway I was trying some experiments with salt and waterglass as a binder to see how it might resonate if heated. Rock salt does very well so I
thought maybe just table salt would have a chance without having the difficulty of melting a mass of it into a solid or the cost of a halite crystal.
So then I tried the hardened mass in my old sodium silicate bottle too, but it didn't vibrate when placed on hot aluminum.
A few examples of salt rocking.
https://www.youtube.com/watch?v=_jeEsPB9lKs
https://www.youtube.com/watch?v=PGTyMgB_Npc
https://www.youtube.com/watch?v=A1MamnU3fYg
As an aside, I thought this was an interesting way to amplify motion.
https://youtu.be/H6q6pYZ9Fho?t=446
[Edited on 24-1-2025 by Morgan]
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