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Yellow glue vs White glue6/14
Is there really a difference?....I started working in a shop a little over a year ago and a lot of the guys there are like "OMG!!!......use white glue!!"........I've never in 27 years used anything but good old yellow wood glue and everything has worked out just fine.
Which white glue do they use?
The color of the glue has no bearing on it's performance or quality. There are literally thousands of formulas of this type of glue and they vary in many ways (including color) but the color itself is not an indicator of any kind of performance good or bad.
Referring to two specific glues, I've noted that Elmer's white causes more problems in sanding because it fills the paper more than Titebond original. That is most evident on widebelt sanding panels.
I hate that stuff.
It drys flexible and when you sand it with the RO it gets gummy and clogs discs super fast.
In reality the color has nothing specific to do with the properties of PVA glue.
However, in my experience Franklin and other glue companies use the colors to differentiate between the hard(Titebond1) and soft PVA(FranklinWhite).
The shop I did my apprenticeship at was white glue only. As soon as I left I switched to TB1 and have never regretted it.
PERCEPTION runs the argument. In the States yellow is stronger and Brown is even stronger. But in Quebec and some northern states folks think White glue is better. But like Jeff Pitcher said there are many PVA/wood glues that are good for many different things and color does not matter. I have found that the old Titebond original color dried too Orange. But, they have changed the color. I now looks a lot like Lokweld wood glue or Wilsonart 30.
Yellow dye was added years ago to trick folks into thinking it was more like hide glue and not a milk product. i suspect regular white glue from the drug store may be just as good, although Franklin folks would scream.
I'm with the others in this thread: We will always experience confusion when we use homeowner terms and marketing terms. I think as professionals we should try to use precise language whenever possible.
Weighing in with others on this thread, "white glue" vs "yellow glue" could be a number of factors. Here at my shop in San Diego, our "yellow glue" is typically Titebond yellow glue aka "PVA, with aliphatic resin."
We keep a white glue around but refer to it within the shop as Roo glue. It's not: it's Titebond Melamine glue, and it is used when one or more of the surfaces being glued is non-porous.
The "white glue" referred to in the original post is likely PVA glue, used as Elmer's school glue and any number of white woodworker's glue. The Franklin one is called Titebond White Glue (ha!)
Smarter brains that me have posted on this very topic. You may find the linked thread at the bottom of the list helpful!
"Yellow glue" (Titebond original) http://www.titebond.com/product.aspx?id=d4d28015-603f-4dfc-a7d9-f684acc71207
a white glue we use (Titebond Melamine) http://www.titebond.com/product.aspx?id=c9121dfd-2a9d-46d0-bd6d-c183e64bd0cd
Helpful thread elsewhere on Woodweb