For a more pronounced etching, use your brush to move the cream on top of your stencil. At about the 1 ½ minute and 3 ½ minute marks, do this to break up air pockets that will cause uneven etching. Leave the cream for five minutes. Overall, including stirring, the cream needs to stay on the glass at least five minutes.
Likewise, what happens if you leave Armour etch on too long?
If you do not leave the Etch Cream on long enough, the cream will not have enough time to react with the glass. Too long can leave scorch marks on the glass or weaken the stencil. For Over N Over stencils, Peel N Etch stencils and hand cut vinyl stencils- 5 minutes max.
Additionally, is Armour etch dangerous? The fumes are also dangerous. Craft store etching products such as Armour Etch use a corrosive chemical salt—a solid mineral—processed from hydrofluoric acid. Ammonium bifluoride is also dangerous, but not nearly as much as the acid.
Subsequently, one may also ask, does Armour etch expire?
This cream is to etch, you will ruin your glasses. Answer: Hello, Per the manufacturer this doesn't expire.
Does Armour etch work on ceramic?
A: Armour Etch will take the glaze off of a ceramic item or ceramic tile.