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Post by patamos on Nov 18, 2014 13:18:58 GMT -8
Hi Folks,
So i am getting ready to finish the raised deck in a rocket oven with a mix of clay, fine sand, and sodium silicate. Only thing is the bucket of 'Super 3000' Sodium Silicate has been through at least a dozen freeze thaws. The label specifically warns to avoid freezing...
This is not a structural application, but it would be nice to have it last a while. Does anyone have experience of this material failing prematurely due to the low temp cycling?
thanks
pat
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Post by matthewwalker on Nov 18, 2014 13:37:05 GMT -8
Pat, I can't say definitively, but I've used furnace cement that was left in my freezing shop for a couple winters, with no noticeable ill effects from the cycling. I suspect it will be fine for your application.
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Post by patamos on Nov 18, 2014 17:37:08 GMT -8
Thanks Matt, That is good enough news to give it a go. Just gotta unthaw everything else around here first
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Post by pinhead on Nov 22, 2014 8:30:52 GMT -8
While we're on the subject of storage, what's the best way to store sodium silicate?
I made a small batch last night and put it in an airtight squeeze bottle but when I came back to it today, it was super-thick gel, wouldn't even flow.
Do I need to re-heat it and add more water?
Should it be stored with a skim of water over the surface?
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Deleted
Deleted Member
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Post by Deleted on Nov 22, 2014 8:50:54 GMT -8
Add more water. Reheating may be required if parts of the solid content has crystallized, eg at freeze. Keep it airtight, else it will react with carbon dioxide.
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