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Tractor Talk Discussion Forum

sodium silicate - water glass

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john IH

03-14-2007 15:44:12




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anyone know where to purchase sodium silicate/water glass or if it is still available?
thanks for any help.

john




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Kent In KC

03-15-2007 05:19:35




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 Re: sodium silicate - water glass in reply to john IH, 03-14-2007 15:44:12  
When all else fails, I've seen it stop some amazing water leaks in burned up engines. One minute it looks like a water hose running on the ground, next minute, literally, it has stopped leaking. Used it in fork lifts a few times with no ill effect.



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T_Bone

03-15-2007 04:31:41




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 Re: sodium silicate - water glass in reply to john IH, 03-14-2007 15:44:12  
Hi john,

Most Pharmacy's carry sodium silicate (egg whites) behind the counter in pint jars for $5 to $10. Wal-Mart and Walgreens both carry it if you ask for it.

Another use is for sealing cardboard boxs or gluing the flaps together.

I use about 1/4 of a pint added slowly while the engine is running and hot. Takes about a 1/2hr to start sealing pinholes and will last about 25k miles between treatments.

Too much and you'll plug up the system. Also it doesn't like anti-freeze and it takes less when used with anti-freeze. a real PITA to get the mix just right. If you get too much then it's flush with hot water and start over. No, you can't just dilute the mix with water for some reason.

To spot a engine with sodium silicate that's been added, look for white crystals around the filler neck opening, looks like salt. I would not buy a engine where sodium silcate has been used.

T_Bone

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melh

03-14-2007 20:55:51




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 Re: sodium silicate - water glass in reply to john IH, 03-14-2007 15:44:12  
Check with your local Operating Engineers Union hall. They must buy it by the barrel. Add a quart to the crank case and it will distroy an engine in less than five min.



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Keith-OR

03-14-2007 19:00:46




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 Re: sodium silicate - water glass in reply to john IH, 03-14-2007 15:44:12  
Sodium silicate is also used to fire proof wood products also. Some tent manufactures use it as fire retardant for their tents.

The last I bought was at the drug store.

Just do a google search

Keith & Shawn(Silver medal winner)



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TomTX

03-14-2007 18:50:39




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 Re: sodium silicate - water glass in reply to john IH, 03-14-2007 15:44:12  
John, in my younger days, about 37 years ago, I sealed a cracked block in a Chev PU with the stuff. Finally sealed up the leak, but ruin the block, radiator core, and heater core. Nothing you could do after that would cool the engine. Sold the PU. Tom



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Frank (N.Mi.)

03-14-2007 18:39:46




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 Re: sodium silicate - water glass in reply to john IH, 03-14-2007 15:44:12  
A few years ago I found it in pint-size container in the auto section of Wal-Mart. It wasn't labeled as such though, you had to check the ingredients but that's all it was...



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mj

03-14-2007 18:39:12




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 Re: sodium silicate - water glass in reply to john IH, 03-14-2007 15:44:12  
Get some 'Red Devil' brand stove patch. It's put up in small bottles and one will seal a block crack. Last I bought was about 5 bucks.



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Gerald J.

03-14-2007 15:57:05




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 Re: sodium silicate - water glass in reply to john IH, 03-14-2007 15:44:12  
Sodium silicate is commonly the main ingredient in muffler patch cement. Probably has some iron fillings in it too.

Gerald J.



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JCSinGA

03-14-2007 15:56:15




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 Re: sodium silicate - water glass in reply to john IH, 03-14-2007 15:44:12  
I get it at the drug store, hafta ask for it tho they keep it behind the counter???? Last I bought was nearly $30 quart.



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George D.

03-14-2007 17:29:47




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 Re: Sodium Silicate - Water Glass in reply to JCSinGA, 03-14-2007 15:56:15  
Just to satisfy my curiosity -- what will you be using it for? I have seen articles in old farm magazines (1920's) where folks used to use water glass to preserve eggs for several months with no (?) ill effects.

At $30/qt., though, seems like it would be better to forget about preserving eggs...

Just my 2¢ worth.

-- Geo. D.



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john IH

03-14-2007 18:27:14




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 Re: Sodium Silicate - Water Glass in reply to George D., 03-14-2007 17:29:47  
iwas planning on using it to help seal a cracked engine block.
i did read today that it is good for preserveing eggs, i think up to 2 years.



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Bob

03-14-2007 19:31:16




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 KW block sealer in reply to john IH, 03-14-2007 18:27:14  
Get some K&W block sealer. It's main ingredient is sodium silicate.



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Bob

03-14-2007 19:33:23




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 Re: KW block sealer in reply to Bob, 03-14-2007 19:31:16  
OOOPS... here's the link:



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JCSinGA

03-14-2007 17:43:18




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 Re: Sodium Silicate - Water Glass in reply to George D., 03-14-2007 17:29:47  
Actually my wife uses it to thin ceramic slip for mold pouring and a little goes a long way.

Also believe it is a main ingredient in products that claim to repair cracked engine blocks and heads, it sets up hard, if it can get into the crack it probably would seal it. But no telling what else it would stop up.



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john IH

03-14-2007 18:30:52




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 Re: Sodium Silicate - Water Glass in reply to JCSinGA, 03-14-2007 17:43:18  
i have been wondering about what else it would possibly plug up.
i have found one place that has it for $20.00/gallon. i only need a quart.



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dan hill

03-15-2007 00:33:56




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 Re: Sodium Silicate - Water Glass in reply to john IH, 03-14-2007 18:30:52  
It is sold in quart cans Rutland brand.Used to glue stove gaskets in place, sealing cardboard boxes.Can be used on garage concrete floors to keep oil , grease from seeping in.



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Ray

03-14-2007 20:06:20




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 Re: Sodium Silicate - Water Glass in reply to john IH, 03-14-2007 18:30:52  
I put some in the radiator of a little oliver oc crawler once,it turned to slush,plugged the radiator and thermostat housing.



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Davis In SC

03-14-2007 18:06:32




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 Re: Sodium Silicate - Water Glass in reply to JCSinGA, 03-14-2007 17:43:18  
Isn't Sodium Silicate a very caustic chemical? IIRC, in the concentrated form, it will burn your skin, similar to a Lye burn.. A friend of mine was the founder of the Mean Green Cleaner, he told me that Sodium Silicate was the main ingredient in the cleaner..



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Gerald J.

03-14-2007 20:40:18




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 Re: Sodium Silicate - Water Glass in reply to Davis In SC, 03-14-2007 18:06:32  
You are thinking sodium hydroxide, lye.

Gerald J.



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