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Tips, Techniques, and Questions -- Technical questions or tips

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  #1  
Old 2014-08-20, 5:41am
knittyditty knittyditty is offline
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Default etching question/problem....

Ok, I think I've read most of the precautionary posts about etching and hydroflouric acid, I am very cautious anyways. My husband is in the car business and said he has some wire wheel cleaner that would work. Looking at the ingredients list it states "hydroflouric acid solution, not more than 60% solution"....Holy Guacamole!
So I take a few "fuglies" some clear, some not.....string them on a non-reactive string and start the soak. After reading all the posts, I'm thinking it would only take minutes. The look I'm hoping for is that matte finish that is so pretty. I soak and soak and soak. One positive thing is that reddish,rusty reduction color on the blues dissolved, but I never got the matte finish on the transparents. I finally left some beads in for 24 hours. Yea, they were rough finish, in fact one was flaky.
My question is what did I do wrong, or is this solution "just not right" for what I'm trying to accomplish? Your input is greatly appreciated!

Kristin
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  #2  
Old 2014-08-20, 7:05am
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JavaGirlBT JavaGirlBT is offline
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I think I'd use Etch All or some other product made specifically for etching glass.

But some glass doesn't etch well. Was the glass that didn't etch Effetre?
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  #3  
Old 2014-08-20, 7:17am
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My guy is a car guy too and we tried this as well. I used it mainly to dissolve the patina from the blues. It worked great. I never really used it to etch, although I do remember purposefully using it to partially etch a bead with clear so I did not have to mask the clear .
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  #4  
Old 2014-08-20, 11:00am
knittyditty knittyditty is offline
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Yes, mostly Effetre.
And yes, it dissolved the "patina" off the blues.
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  #5  
Old 2014-08-20, 11:53am
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Thin it down. A weaker solution of HF will etch. a stronger solution will actually polish glass. A lot of cut crystal is polished this way, the etching just peels off leaving a brilliant clear cut. Always add acid to water NEVER add water to acid. It can cause a violent reaction. Lead crystal is harder to deal with than soda lime. This it true even if I try to etch lead crystal with a laser.
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  #6  
Old 2014-08-25, 1:46pm
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Michaels sells a dip and etch usually in a locked case...
Just rinse the finished bead in a plastic container with baking soda and water mix...
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