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Update on Frog Juice as backup

Hand Lettering topics: Sign Making, Design, Fabrication, Letterheads, Sign Books.

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Site Man
Posts: 573
Joined: Sun Mar 13, 2005 1:03 am
Location: Marlborough, MA

Update on Frog Juice as backup

Post by Site Man »

OLD FORUM POSTS

Posted by Robert on February 16, 2004
I posted some time ago about using Frog juice mixed with powder to fill in glue chipped voids and had asked if it would be suitable for the entire back up process. Well....I did a marbling effect on the back directly to the surface without a protective shellac coating first and I did get some release of the gold.

If I had placed the shellac first, would I have had this problem?

and would one suggest shellacing the entire surface first before adding any color to the background regardless?...after the gold has been backed up?

Thanks!

Robert
D. Bernhardt
Hi Robert... short answer....no you wouldn't have had this problem unless you were particularly agressive. The shellac will appear at first as a milky colour over the surface but after decoration just disappears or is disolved in the process. I'll leave the tech matters to the chemists here. Would it be worth shellacing the entire surface regardless...again I'll go for a no on that one. The "boss" was selective on his shellac uses and would never bother with something un-necessary. Again I think it depends on the agressive nature of further processes


Doug Again - P.S.
...as usual after I hit the submit button I think of a few other things....I recall some years ago doing something "agressive" and using some alcohol to remove the residue before laying in some pearl. The alcohol didn't attack the paints and cleared the glass up nicely! Whether this step was necessary I can't say. Also these materials and processes used by the "past masters" were closely related to artists and cabinet makers of their time. It's always worth delving into the past for clues when in doubt. The greats of the past were trained to mix their own paints etc etc and I'll bet the understanding of materials achieved in this sort of apprenticing was something we,today, find difficult to comprehend.
Robert
Doug
Thanks for the tips!...I have really enjoyed playing around with all of this stuff....what a ride!

I will post something that y'all might get a kick out of as soon as I figure out how to post a photo.
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