[meteorite-list] WD-40

[mafer at imagineopals.com]

This is interesting and I should address this with the makers then since
the MSDS states that WD-40 is made from naptha and hydrotreated heavy
mineral oil.

It may be the accessory ingredients which are "inert" which cause this
problem.

I'll get back to the list once I have an answer from the company. 
But, I like your gun oil idea also. But am worried about the smell. How
does it react with poly bags and the styrene type storage/display boxes?


Mark

On June 2, 4:59 pm AL Mitterling <almitt at kconline.com> wrote:
> Hi Mark and all,
>
> WD40 is basically kerosene but refined. We had discussions many years
> back about this oil for use on meteorites. What was determine back
> then if I remember right, was that some batches of WD40 were OK but
> others batches contained more water in it. People had both good luck
> and bad luck depending if they got a batch with water in it or not.
>
> If it is made from Kerosene then I can understand why it could
> contain water (every burn a kerosene heater? Humidity goes up!). I
> just know that some people who used it had rusting problems with it.
> I personally use Sheath gun oil as it displaces moisture very well.
> It smells terrible but seems to work good. Any oil used SHOULD NOT
> CONTAIN CHLORIDES as those will cause major rusting problems.
>
> Perhaps someone more knowledgeable than me can address this issue.
>
> --AL
>