It's vegetable oil based. 

Karl Wolz
Sent from my electronic umbilicus

On Dec 27, 2012, at 9:27 AM, James Felder <jim.felder@GMAIL.COM> wrote:

> 3-in-1 should come with the disclaimer "use of this product WILL destroy any sewing machine it is used on."
> 
> I wonder what else it is bad for?
> 
> What makes it turn to sticky lacquer?
> 
> Jim
> 
> On Dec 27, 2012, at 10:08 AM, David Beierl <dbeierl@ATTGLOBAL.NET> wrote:
> 
>> At 09:50 AM 12/27/2012, Tom Hargrave wrote:
>>> WD-40, but only to be used as intended - WD-40 is not a lubricant!
>> 
>> This is one meme that has to go away.  WD40 was reformulated several years ago -- check the MSDS.  No more Stoddard Solvent that used to be the main ingredient.  It now contains oil(s) and is advertised as a lubricant.  From the FAQ on their site:
>> 
>>> How is WD-40 Multi-Use Product different from 3-IN-ONE®Oil?
>>> 
>>> WD-40 Multi-Use Product is the ultimate multi-purpose problem solver. WD-40 removes gunk, penetrates to loosen stuck parts, prevents rust and corrosion, -->and is a light lubricant.<-- 3-IN-ONE, with its special drip spout, enables you to apply product without any overspray or splatter. 3-IN-ONE is ideal to use on tools, rollers, hinges, in-line skates, wheels... nearly everything that moves.
>> 
>> Cheers,
>> David