Armour Etch is a popular brand of etching cream (link to topic) sold at craft and hobby shops in almost all the states. There is an exception to some of the states though, because the cream is sometimes used by vandals to etch storefront windows, car windows, and home windows. Due to this problem in some states, it may be illegal to sell. Obviously, this would help stop the problem of ruining perfectly fine glass.
If you are in a state that doesn’t allow people to purchase the cream, you may still be able to buy it over the internet. There are multiple sources where you can buy the Armour Etch cream. Just do a search, and you should be able to fine a great assortment bottle sizes.
Just remember that a small bottle will probably not last very long, unless you’re etching small items or only doing it a few times. A glass etches best when you apply on a thick layer of the acid cream. This allows a consistent etch with no streaks. A light application of the cream may not contain enough acid to frost the glass fully. So, it’s best to apply the cream heavily.
Ingredients & Chemical Information
In its MSDS, Armour Etch lists 3 additional hazardous chemicals than its competitor, the Etchall brand listed. The company, Armour Products states it contains:
- Ammonium Bifluoride with 21- 27%
- Sodium Bifluoride with 7-12%
- Sulfuric Acid with 0-9%
- Barium Sulfate with 0-6%
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