Potassium water glass, also known as "potassium silicate" or "potash silicate solution", is an important solution in chemical analysis. It is mainly used in the qualitative analysis of inorganic compounds and is indispensable in many applications due to its properties as an indicator and solvent. Compared to other indicators and solvents, potassium water glass has a number of advantages. It is inexpensive, easy to use, and has wide application in the identification of inorganic compounds and in the preparation of samples for spectroscopic analysis.
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| Model | Potassium water glass Algin 1A primer sealing 1 liter | Potassium water glass Baufan 1l | Potassium water glass LEVEL PLUS 1 liter Undiluted primer | Potassium water glass CAIRCON primer primer 10L | Potassium water glass WO-WE Haftgrund Binder W515 – 5L | Potash water glass Fonteino wall sealing primer 10L | Potassium water glass Furthchemie 28/30 °, 10 litres, open to diffusion | Potassium water glass Isolbau 28/30° potassium silicate solution, 2x 5 liters |
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| Brand | algin | BAUFAN | Level Plus | aircon | Wo-We | Fonteino | Furthchemistry | insulating construction |
| Result | The Best Suggestionstest-vergleiche.com1,5Very good! |
Price-value for moneytest-vergleiche.com1,7good |
TOP Productstest-vergleiche.com1,6good |
TOP Productstest-vergleiche.com1,8good |
TOP Productstest-vergleiche.com1,9good |
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| Container type | bottle | bottle | bottle | canister | canister | canister | canister | canister |
| Container quantity Price per liter | 1 liter €6,90 per liter | 1 liter €4,80 per liter | 1 liter €13,13 per liter | 10 liter €4,49 per liter | 5 liter €5,98 per liter | 10 liter €4,49 per liter | 10 liter €2,98 per liter | 2 x 5 liters €3,68 per liter |
| Yield required amount per m² | about 120-380ml | about 100-200ml | about 50-200ml | no manufacturer's information | about 120-380ml | about 120-380ml | about 100-200ml | no manufacturer's information |
| Suitable for | concrete masonry glass surfaces | plaster | Concrete Wood Flooring Wallpaper Cement Mortar | concrete masonry | concrete masonry wood | concrete masonry wood plaster | concrete masonry | concrete masonry plaster wood glass surfaces |
| Other container quantities | 6L 10L 20L | save | 2 x 1L 5L 2 x 5L 4 x 5L and more | 5 l | 10 l | 5 l | save | 1L 2 x 1L 5L 5 x 5L and more |
| For indoor and outdoor use | Haha | Haha | Haha | Haha | Haha | Haha | Haha | Haha |
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During renovation, it often turns out that walls are porous or crumbling. If new tiles or wallpaper are to be attached to the wall, an adhesive primer must be applied, which also acts as a seal. In this way, nicotine stains can also be sealed or the smelly chimney sealed because it is sooty on the inside. Potassium water glass is best suited for this. In this potash water glass comparison we would like to explain the advantages and disadvantages of this product to you in more detail.
Water glass is a strong lye and consists of powdered glass mixed with chemicals. Water glass can be used in many ways. It seals porous surfaces and reduces water absorption. It is used as an adhesive, binder or stabilizer. After drying, it leaves a glass-like surface. Potassium water glass is one of three possible chemical compounds.
Potassium water glass has a wide range of applications, such as:
Water glass is usually offered as a concentrate, can be diluted or a paste-like mass is offered, which is also dissolved in water. In addition to the potash water glass, there is also the lithium water glass and the soda water glass, each with different properties.
It is suitable for untreated mineral plaster, for stone, concrete or masonry. It is open to diffusion, non-yellowing, water and acid resistant and counteracts mould. Particularly suitable for clay plaster. It is the most expensive product among the water glass types.
Potassium water glass for sealing is only suitable for untreated synthetic resin-free lime and cement plaster, also for the renovation of synthetic resin-free silicone coatings. Not suitable for clay plaster. It is open to diffusion, non-yellowing, water and acid resistant. Can also be injected into boreholes. Compared to lithium water glass, potassium water glass is cheaper with almost identical properties. See also our five potash water glass winners from the table
This is the cheapest water glass. It is rarely used in construction. It dissolves over time and thus loses its insulating effect. However, it is very popular for creating chemical or artificial crystal gardens, in which chemical reactions produce plant-like structures. Soda water glass is also suitable for making wood fireproof. At the same time, it gives the wood grain a particularly intense color.
Everything else you should know about the potash water glass can be found in this potash water glass evaluation of the properties.
Potassium water glass is a strong base with a pH value of 11. You should therefore ensure suitable protection when using it. Gloves and goggles are required, especially when injecting the potash water glass at high pressure. Please do not inhale the resulting mist - face mask required. It must also not get into the sewage system and should never be left in the hands of children. Also observe the warnings on the manufacturer's technical data sheet.
Although potash water glass is an aid when sealing, it is by no means a means against moisture. Wet walls must be renovated beforehand, only then can the potash water glass be painted on.
Both things don't get along at all. If the potash water glass hits a plaster wall or even paint containing plaster, a chemical reaction occurs and the potash water glass is literally pushed off the wall.
Potassium water glass is often used in industry as well as in the renovation of private house construction. It is used to seal plaster or masonry. Concrete surfaces can also be sealed with it. It is applied to the porous surfaces, the water it contains evaporates and the potash water glass silicifies, which increases resistance to moisture.
If water glass is used on wood, it increases its fire protection properties. This method is particularly popular in the hobby sector. This makes the wood heavier and often brittle, but it makes it less flammable. In addition, the soda water glass in particular gives the wood a more intensive wood grain.
Silicic acid is produced when potash water glass dries and this process cannot be reversed. But when it comes to potash water glass that has dripped down, you have to act quickly, but you can bind it with an absorbent material.
Before we give you a tip on the potash water glass purchase recommendation, you should consider these purchase criteria.
If you need water glass to seal porous surfaces, you should only buy lithium or potassium water glass. The latter does not have quite as good properties as the lithium variant, but it is significantly cheaper. Soda water glass is not suitable for sealing!
The yield of potassium water glass can be found in the manufacturer's information. For a 500 ml potash water glass bottle, a coverage of 100 to 200 ml per square meter is usually given. Of course, that depends on how absorbent the substrate is and whether you have to apply the potassium water glass pure or dilute it.
You can buy potash water glass at different prices, depending on whether it is used diluted or undiluted or as a primer, adhesive & Co. If you want to make a price comparison of potash water glass, you should convert the prices per liter, this is the only way to compare them.
Unfortunately, we have not yet found a potassium water glass test report at Stiftung Warentest. However, there are many possible uses for this product on the Internet. However, no one here can give you the guarantee that it is the best potash water glass.
Potassium water glass is very versatile. You can use it to close the cavities of porous surfaces, prevent dust formation and prevent the surface from absorbing moisture. Potassium water glass is also suitable for hobby use.
In the potash water glass Products in an exquisite version, the costs are correspondingly high and are with us up to a proud price of about 44,90 € to find. On the other hand, you can already start the articles in the lower price category about 4,80 € magazine.
David
Author test-vergleiche.com
Updated January 13, 2024
Hello, I'm David, a passionate believer in the do-it-yourself principle, especially in areas such as DIY & Tools and Home & Living. Before I call a repairman, I try to solve the problem myself - and I often succeed. “It doesn’t work, it doesn’t exist” is my motto. Every setback is a learning opportunity.
And you can too! Show what you've got. For this purpose I have this comprehensive one for you Potassium water glass comparison in a variety of categories such as Household, leisure, electronics, fashion and Cars compiled. From the multitude of offers, I have selected five of the best and best-selling Potassium water glass models selected and compared for you in a clear table.
My research is based on customer reviews, surveys, opinions and Potassium water glass tests from independent advice portals. In my guide you will find a detailed analysis that highlights both the advantages and disadvantages of each product group in these categories, as well as important purchasing criteria.
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