Beacon's Zip Dry v. 3 in 1 Glue

I carry both adhesives and was wondering what the difference was between the two besides the price and here I found it.

From Mike, Beacon’s Glueologist:
Hi all, and thanks for reviewing our glue!Zip Dry actually does work on vellum, with what we call the “kiss technique”. You “kiss” the sheets together briefly and gently, then carefully pull apart. The glue will begin its evaporation process, which is necessary for adhesion. Wait for about 30 seconds, then bond together. Oncer again, do not press hard.Pressing does not create a better bond-it tends to squeeze the glue out, thus creating a weaker bond (check out our tips and other videos on http://www.youtube.com/beaconadhesives )
Also, Zip Dry rubs away while wet-it isn’t necessary to use a paper towel for clean up. Just rub with a clean finger and there is absolutely no residue left-even on photos. Another tip” save the flat cap! That is for storage. The precision tip with the top is for application only, and will hasten the evaporation and thickening of the glue.
Differences between 3-in-1 and Zip Dry:These two are very different formulas. Both are Acid Free and Lignin Free, both have been used with Scrap Booking, photos etc. Neither will wrinkle paper and both dry quickly and have a fast grab.
The major differences between the two is:
Zip Dry has a higher % of solids, so it is a bit thicker and therefore stronger (Stronger because of the solids NOT the thickness)
Zip Dry also will allow you to bond a wider variety of surfaces because of its solvent. I’ve been told that for acrylics, it’s the only glue to use.
Zip Dry will also rub off, whereas 3 in 1 will not do that easily and is more apt to dry and leave a mess.
Zip dry will also bond acrylic rhinestones without attacking the back, 3 in 1 eats the foil on the back pretty good.
Zip Dry is also more expensive because of the packaging it requires. I can’t fill that on an automated line like I can with 3 in 1. It requires two labels to be applied by hand and two caps. This is all because of the chemistry. Also putting blister carding anything adds cost. We’re trying to address all that , but changing a formula and lessening it’s quality is just not something we do!
Having said all that, it comes down to personal preference. Hope this helped, and if you have any question, ask away!
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Thanks,
Mike