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🔧 Seal it. Fix it. Harden it. Own the power of Water Glass.
Sodium Silicate 40% (Water Glass) is a versatile, industrial-grade liquid chemical that dries into a glass-like, heat-resistant sealant. Dilutable at 4:1 with water, it excels as a concrete sealer and high-temperature binding agent, trusted for automotive gasket repairs and foundry applications. Non-hazardous and easy to use, it hardens further with heat exposure, delivering long-lasting durability for professional-grade projects.
| ASIN | B00QL4ZV0I |
| Best Sellers Rank | #15,154 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #58 in Hardware Sealers |
| Brand Name | CQ Concepts Inc. |
| Container Type | Bottle |
| Customer Reviews | 4.4 4.4 out of 5 stars (157) |
| Item Form | Liquid |
| Item Weight | 12 Pounds |
| Manufacturer | CQ Concepts Inc |
| Part Number | R-340-1 |
| Volume | 1 Gallons |
M**S
Great stuff
Loved it worked just like I wanted it too
C**L
works great at high temperatures
I used this product for a high temperature binding agent for a sand lined metal foundry. it has held up tremendously great. I have had it glowing many times from the heat and still in great condition. it actually seems to get harder after each use
C**G
Good product
Shipping was more than the product. Be aware.
F**D
Will fix a head gasket leak that is a breach where exhaust is pumped into cooling system.
This worked for my 04 toyota 4 runner aluminum block and head. I tested this product with both green and red antifreeze in which it coagulated badly in a cup. To have success with this product you must drain all coolant from the motor. You need 16 ounces of product for a 4 cylinder, 24 ounces for a 6 cylinder and 32 ounces for a v6. It is imperative you drain the coolant. Do not add coolant until you drain the product. Drive it with only water and product for a couple months and you will have months of operation with no problem. Because my motor is aluminum head and block and freezing isnt a huge issue where I live Ive opted to just run the vehicle with water and product. I havnt had a problem one so far. Hope this helps. You do not need to bypass the radiator or heater core as this product only coagulates around the piston where you need it because of the very high temperatures. It will not coagulate anywhere else so you do not need to drain it unless you intend to add antifreeze. This product plus antifreeze equals a gelled mess you do not want in your motor.
R**.
satisfied
perfect! & quick to ship
N**G
Never knew something like this existed
I use some of this for the inside of my Forge works great, and stays in water to seal the head gasket as well make with cement in the insides are used sodium silicate
S**S
Easy to use
The product went on smoothly and went much further than anticipated.
C**G
Shipping to high
Great product Shipping is way to high
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