How to Get Rutland Cement Off?

 
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Post by Hoytman » Mon. Dec. 09, 2019 11:57 am

VigIIPeaBurner wrote:
Sun. Dec. 08, 2019 9:27 pm
If you can find good old fashion water glass, that works well without building out the rabbit. I was lucky and found a small dropper bottle at my local hardware store in the stove gasket area. It wasn't labeled as water glass but just look for sodium silicate on the bottle.

I wouldn't advise it but you can make it yourself with lye and silica gel. Formulas are out there just like everything else.
Obviously, I am too young to know what this is. Can you provide a picture?


 
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Post by Hoytman » Mon. Dec. 09, 2019 12:01 pm

CapeCoaler wrote:
Mon. Dec. 09, 2019 10:53 am
https://www.rutland.com/product/water-glass-cemen ... 16fd43adaa
Waterglass by the gallon...
This was helpful in knowing what it is, but I’d have a hard time using a gallon. Lol!!!

 
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Post by Hoytman » Mon. Dec. 09, 2019 12:01 pm

McGiever wrote:
Mon. Dec. 09, 2019 12:43 am
Here ya go, think it was from True Value Hdw.
Don't be fooled by the 2 oz. bottle size...this is "super glue" for super hot gaskets...
and your highest stove temps will never phase it...
Image
Thanks, Larry! Good to know. I think Inseen this product at Menards.

 
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Post by CapeCoaler » Mon. Dec. 09, 2019 12:04 pm

Hoytman wrote:
Mon. Dec. 09, 2019 12:01 pm
This was helpful in knowing what it is, but I’d have a hard time using a gallon. Lol!!!
But it is so much more...
Nice adhesive and floor sealer too...

 
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Post by Hoytman » Mon. Dec. 09, 2019 12:20 pm

CapeCoaler wrote:
Mon. Dec. 09, 2019 12:04 pm
But it is so much more...
Nice adhesive and floor sealer too...
Yeah...lol. I just have to find the need for it. Good info to know.

I wonder if it would pass insurance claims adjuster scrutiny in the event of a catastrophe caused by an over-fired stove?

 
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Post by VigIIPeaBurner » Mon. Dec. 09, 2019 1:45 pm

They used water glass in iron and steel blast furnaces back when I worked maintenance.

 
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Post by CapeCoaler » Mon. Dec. 09, 2019 3:36 pm

And you can preserve eggs with no refrigeration...


 
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Post by VigIIPeaBurner » Mon. Dec. 09, 2019 4:31 pm

CapeCoaler wrote:
Mon. Dec. 09, 2019 3:36 pm
And you can preserve eggs with no refrigeration...
That method came out about the same time as the baseburners of the early 20th century, but that's, and this, is off topic ;)

 
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Post by Pauliewog » Mon. Dec. 09, 2019 9:31 pm

VigIIPeaBurner wrote:
Mon. Dec. 09, 2019 1:45 pm
They used water glass in iron and steel blast furnaces back when I worked maintenance.
We used it as a binder for custom high temperature refractory liners.

It can also be used as a binder for no bake foundry cores and molds.
Introducing a small amount of CO2 into the mold or core quickly hardens the mold sand with results very similar to chemically bonded sand.

Paulie

 
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Post by McGiever » Mon. Dec. 09, 2019 9:53 pm

Geez, no silicone caulk in blast furnace ;)

 
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Post by Hoytman » Mon. Dec. 09, 2019 10:22 pm

VigIIPeaBurner wrote:
Mon. Dec. 09, 2019 4:31 pm
That method came out about the same time as the baseburners of the early 20th century, but that's, and this, is off topic ;)
We wash ours before we eat them...and they don’t last long enough to stick around that long.

This place never ceases to amaze me. Full of good people and ideas.

They say you aren’t trying hard enough if you don’t learn something very day.

Care to elaborate more Paulie? Very interesting. First time in my life I’ve heard of water glass...and I was like those people in the commercials....whaaaaaaat!!! Lol!

 
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Post by Pauliewog » Mon. Dec. 09, 2019 10:40 pm

Hoytman wrote:
Mon. Dec. 09, 2019 10:22 pm
We wash ours before we eat them...and they don’t last long enough to stick around that long.

This place never ceases to amaze me. Full of good people and ideas.

They say you aren’t trying hard enough if you don’t learn something very day.

Care to elaborate more Paulie? Very interesting. First time in my life I’ve heard of water glass...and I was like those people in the commercials....whaaaaaaat!!! Lol!
Bill,
Here is a pretty good link to foundry sand molding using Water glass & CO2

http://railwaybobrestorations.blogspot.com/2010/0 ... e.html?m=1

Paulie

 
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Post by Hoytman » Mon. Dec. 09, 2019 10:47 pm

Thank ye, Sir!!! I will check this out tomorrow.

Well, I couldn’t wait. Almost lost me with all the chemical CO2 and sodium silicate jargon since that’s never been a strong suit of mine, but I pressed onward.

I had to back up and re-read the part where they injected the CO2 and the thing hardened up. Was like, whaaaat! Lol! So, I re-read it three times. That is pretty interesting stuff.

I never did see what type of sand is used though. For the purpose I am guessing a real fine sand so the casting would present a smooth surface.

Now, me and chemistry class never did agree, lol. These days I limp along as best I can. So without using the old familiar Google friend let me take a stab at this.

You guys point me in the right direction if I miss a base.

Sodium is salt, obviously.

Silicate is a sand I believe.

Sodium silicate, it would make sense might be some sort of salt sand mixed with water? In this case a heavy syrupy liquid?

CO2 would freeze it? Then set up some sort of chemical reaction for the casting to remain hard after it warmed up?

 
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Post by VigIIPeaBurner » Thu. Dec. 12, 2019 11:40 am

Sodium is in table/rock salt but it's bonded to chlorine too much to use in this way. Lye is sodium hydroxide - pure drain cleaner is too.
Silica can be sourced from those drying packets that come with the product the Chinese ship to us.

Edit: forgot the CO2 - the cold stuff is what you're seeing from fire extinguishers I guess. The gas is what they use at soda fountains and bars to keep the soda/beer from going flat. Home brewing stores carry it.

Here, check this out - but don't try it without more personal protection than he uses.

 
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Post by Pauliewog » Thu. Dec. 12, 2019 6:02 pm

The CO2 does not actually freeze the sodium silicate to the sand, it sets up a chemical reaction and will harden the sand to a chalk like consistency.

Paulie


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